Fix start/end margins for API 15

Fixes #1391

briar-android/src/main/res/layout/activity_dev_report.xml

@@ -28,6 +28,8 @@
 			android:layout_width="0dp"
 			android:layout_height="wrap_content"
 			android:layout_marginEnd="@dimen/margin_large"
+			android:layout_marginLeft="@dimen/margin_large"
+			android:layout_marginRight="@dimen/margin_large"
 			android:layout_marginStart="@dimen/margin_large"
 			android:layout_marginTop="@dimen/margin_large"
 			app:hintEnabled="false"
@@ -50,6 +52,8 @@
 			android:layout_width="0dp"
 			android:layout_height="wrap_content"
 			android:layout_marginEnd="@dimen/margin_large"
+			android:layout_marginLeft="@dimen/margin_large"
+			android:layout_marginRight="@dimen/margin_large"
 			android:layout_marginStart="@dimen/margin_large"
 			app:hintEnabled="false"
 			app:layout_constraintEnd_toEndOf="parent"

briar-android/src/main/res/layout/author_view.xml

@@ -40,6 +40,8 @@
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/margin_medium"
+		android:layout_marginLeft="@dimen/margin_medium"
+		android:layout_marginRight="@dimen/margin_medium"
 		android:layout_marginStart="@dimen/margin_medium"
 		android:textColor="?android:attr/textColorPrimary"
 		android:textSize="@dimen/text_size_small"

briar-android/src/main/res/layout/checkbox.xml

@@ -9,6 +9,7 @@
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
 		android:layout_marginLeft="@dimen/margin_activity_horizontal"
+		android:layout_marginStart="@dimen/margin_activity_horizontal"
 		android:layout_marginTop="@dimen/margin_activity_vertical"
 		android:checked="false"
 		android:text="@string/don_t_ask_again"/>

briar-android/src/main/res/layout/fragment_error.xml

@@ -11,6 +11,8 @@
 		android:layout_width="128dp"
 		android:layout_height="128dp"
 		android:layout_marginEnd="8dp"
+		android:layout_marginLeft="8dp"
+		android:layout_marginRight="8dp"
 		android:layout_marginStart="8dp"
 		android:layout_marginTop="8dp"
 		android:src="@drawable/alerts_and_states_error"
@@ -25,6 +27,8 @@
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="8dp"
+		android:layout_marginLeft="8dp"
+		android:layout_marginRight="8dp"
 		android:layout_marginStart="8dp"
 		android:layout_marginTop="8dp"
 		android:text="@string/sorry"

briar-android/src/main/res/layout/introduction_message.xml

@@ -27,6 +27,8 @@
 			android:layout_width="0dp"
 			android:layout_height="wrap_content"
 			android:layout_marginEnd="@dimen/margin_large"
+			android:layout_marginLeft="@dimen/margin_large"
+			android:layout_marginRight="@dimen/margin_large"
 			android:layout_marginStart="@dimen/margin_large"
 			android:layout_marginTop="@dimen/margin_medium"
 			android:gravity="center"
@@ -66,6 +68,8 @@
 			android:layout_width="0dp"
 			android:layout_height="wrap_content"
 			android:layout_marginEnd="@dimen/margin_large"
+			android:layout_marginLeft="@dimen/margin_large"
+			android:layout_marginRight="@dimen/margin_large"
 			android:layout_marginStart="@dimen/margin_large"
 			android:layout_marginTop="@dimen/margin_medium"
 			android:gravity="center"

briar-android/src/main/res/layout/list_item_blog_post.xml

@@ -19,6 +19,8 @@
 			android:layout_height="wrap_content"
 			android:layout_marginBottom="@dimen/listitem_horizontal_margin"
 			android:layout_marginEnd="@dimen/listitem_vertical_margin"
+			android:layout_marginLeft="@dimen/listitem_vertical_margin"
+			android:layout_marginRight="@dimen/listitem_vertical_margin"
 			android:layout_marginStart="@dimen/listitem_vertical_margin"
 			android:layout_marginTop="@dimen/listitem_vertical_margin"
 			app:layout_constraintEnd_toStartOf="@+id/commentView"
@@ -32,10 +34,11 @@
 			android:layout_height="wrap_content"
 			android:layout_marginBottom="@dimen/listitem_horizontal_margin"
 			android:layout_marginEnd="@dimen/listitem_vertical_margin"
+			android:layout_marginLeft="@dimen/listitem_vertical_margin"
+			android:layout_marginRight="@dimen/listitem_vertical_margin"
 			android:layout_marginStart="@dimen/listitem_vertical_margin"
 			android:layout_marginTop="@dimen/listitem_vertical_margin"
 			app:layout_constraintEnd_toStartOf="@+id/commentView"
-			app:layout_constraintLeft_toLeftOf="parent"
 			app:layout_constraintStart_toStartOf="parent"
 			app:layout_constraintTop_toBottomOf="@+id/rebloggerView"/>
 

briar-android/src/main/res/layout/list_item_contact.xml

@@ -48,6 +48,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/margin_medium"
+		android:layout_marginLeft="@dimen/margin_medium"
+		android:layout_marginRight="@dimen/margin_medium"
 		android:layout_marginStart="@dimen/margin_medium"
 		android:layout_marginTop="@dimen/listitem_vertical_margin"
 		android:paddingEnd="@dimen/margin_medium"
@@ -67,6 +69,8 @@
 		android:layout_height="wrap_content"
 		android:layout_marginBottom="@dimen/listitem_vertical_margin"
 		android:layout_marginEnd="@dimen/margin_medium"
+		android:layout_marginLeft="@dimen/margin_medium"
+		android:layout_marginRight="@dimen/margin_medium"
 		android:layout_marginStart="@dimen/margin_medium"
 		android:paddingEnd="@dimen/margin_medium"
 		android:paddingStart="@dimen/margin_medium"

briar-android/src/main/res/layout/list_item_contact_small.xml

@@ -24,6 +24,8 @@
 		android:layout_height="wrap_content"
 		android:layout_gravity="center_vertical"
 		android:layout_marginEnd="@dimen/margin_medium"
+		android:layout_marginLeft="@dimen/margin_medium"
+		android:layout_marginRight="@dimen/margin_medium"
 		android:layout_marginStart="@dimen/margin_medium"
 		android:layout_weight="1"
 		android:maxLines="2"

briar-android/src/main/res/layout/list_item_forum.xml

@@ -22,6 +22,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:layout_marginTop="@dimen/listitem_horizontal_margin"
 		android:textColor="?android:attr/textColorPrimary"

briar-android/src/main/res/layout/list_item_group.xml

@@ -47,6 +47,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:layout_marginTop="@dimen/margin_medium"
 		android:textColor="?android:attr/textColorSecondary"
@@ -75,6 +77,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:layout_marginTop="@dimen/margin_medium"
 		android:textColor="?android:attr/textColorTertiary"

briar-android/src/main/res/layout/list_item_invitations.xml

@@ -20,6 +20,7 @@
 		android:layout_height="wrap_content"
 		android:layout_margin="@dimen/listitem_horizontal_margin"
 		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:textColor="?android:attr/textColorPrimary"
 		android:textSize="@dimen/text_size_medium"
 		app:layout_constraintEnd_toEndOf="parent"
@@ -46,6 +47,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:layout_marginTop="@dimen/margin_medium"
 		android:text="@string/forum_invitation_exists"

briar-android/src/main/res/layout/list_item_revealable_contact.xml

@@ -23,6 +23,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:layout_marginTop="@dimen/listitem_vertical_margin"
 		android:textColor="?android:attr/textColorPrimary"
@@ -51,6 +53,8 @@
 		android:layout_height="wrap_content"
 		android:layout_marginBottom="@dimen/listitem_vertical_margin"
 		android:layout_marginEnd="@dimen/margin_small"
+		android:layout_marginLeft="@dimen/margin_small"
+		android:layout_marginRight="@dimen/margin_small"
 		android:layout_marginStart="@dimen/margin_small"
 		android:text="@string/groups_reveal_visible"
 		android:textColor="?android:attr/textColorSecondary"

briar-android/src/main/res/layout/list_item_rss_feed.xml

@@ -116,6 +116,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:layout_marginTop="@dimen/margin_medium"
 		android:textColor="?android:attr/textColorSecondary"

briar-android/src/main/res/layout/list_item_selectable_contact.xml

@@ -24,6 +24,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:layout_marginTop="@dimen/listitem_horizontal_margin"
 		android:textColor="?android:attr/textColorPrimary"
@@ -41,6 +43,8 @@
 		android:layout_height="wrap_content"
 		android:layout_marginBottom="@dimen/listitem_horizontal_margin"
 		android:layout_marginEnd="@dimen/listitem_horizontal_margin"
+		android:layout_marginLeft="@dimen/listitem_horizontal_margin"
+		android:layout_marginRight="@dimen/listitem_horizontal_margin"
 		android:layout_marginStart="@dimen/listitem_horizontal_margin"
 		android:maxLines="2"
 		android:text="@string/forum_invitation_already_sharing"

briar-android/src/main/res/layout/list_item_thread.xml

@@ -96,6 +96,8 @@
 			android:layout_height="wrap_content"
 			android:layout_marginBottom="@dimen/margin_medium"
 			android:layout_marginEnd="@dimen/margin_medium"
+			android:layout_marginLeft="@dimen/margin_medium"
+			android:layout_marginRight="@dimen/margin_medium"
 			android:layout_marginStart="@dimen/margin_medium"
 			app:layout_constraintBottom_toBottomOf="parent"
 			app:layout_constraintEnd_toStartOf="@+id/btn_reply"
@@ -109,6 +111,8 @@
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
 			android:layout_marginEnd="@dimen/margin_medium"
+			android:layout_marginLeft="@dimen/margin_medium"
+			android:layout_marginRight="@dimen/margin_medium"
 			android:layout_marginStart="@dimen/margin_medium"
 			android:text="@string/btn_reply"
 			android:textSize="@dimen/text_size_tiny"

briar-android/src/main/res/layout/navigation_header.xml

@@ -13,6 +13,8 @@
 		android:layout_gravity="bottom|start"
 		android:layout_marginBottom="@dimen/margin_medium"
 		android:layout_marginEnd="@dimen/margin_medium"
+		android:layout_marginLeft="@dimen/margin_medium"
+		android:layout_marginRight="@dimen/margin_medium"
 		android:layout_marginStart="@dimen/margin_medium"
 		android:contentDescription="@string/app_name"
 		android:src="@drawable/navigation_drawer_header"/>

briar-android/src/main/res/layout/power_view.xml

@@ -12,6 +12,8 @@
 		android:layout_width="0dp"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/margin_large"
+		android:layout_marginLeft="@dimen/margin_large"
+		android:layout_marginRight="@dimen/margin_large"
 		android:layout_marginStart="@dimen/margin_large"
 		android:layout_marginTop="@dimen/margin_medium"
 		android:textSize="@dimen/text_size_medium"

briar-android/src/main/res/layout/text_avatar_view.xml

@@ -17,6 +17,7 @@
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_gravity="center"
+		android:layout_marginEnd="@dimen/listitem_picture_frame_offset_horizontal"
 		android:layout_marginRight="@dimen/listitem_picture_frame_offset_horizontal"
 		android:layout_marginTop="@dimen/listitem_picture_frame_offset_vertical"
 		android:maxLength="1"

briar-android/src/main/res/layout/text_input_view_large.xml

@@ -12,6 +12,8 @@
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="@dimen/margin_medium"
+		android:layout_marginLeft="@dimen/margin_medium"
+		android:layout_marginRight="@dimen/margin_medium"
 		android:layout_marginStart="@dimen/margin_medium"
 		android:layout_marginTop="@dimen/margin_medium"
 		android:elevation="@dimen/cardview_default_elevation"