Merge branch '1297-opendb-gui' into 'master'

Resolve ""Decrypting database" label needs some padding"

Closes #1297

See merge request akwizgran/briar!830

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

@@ -36,6 +36,8 @@
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_margin="8dp"
+		android:paddingLeft="@dimen/margin_large"
+		android:paddingRight="@dimen/margin_large"
 		android:text="@string/startup_open_database"
 		android:textSize="@dimen/text_size_large"
 		app:layout_constraintBottom_toBottomOf="parent"