Use app:srcCompat for inflating vector drawables to use compat library

and prevent crashes

mailbox-android/src/main/res/layout/fragment_setup_complete.xml

@@ -11,7 +11,6 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:layout_marginVertical="8dp"
-        android:src="@drawable/ic_success"
         app:layout_constraintBottom_toTopOf="@+id/headline"
         app:layout_constraintDimensionRatio="1:1"
         app:layout_constraintEnd_toEndOf="parent"
@@ -19,6 +18,7 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_chainStyle="packed"
         app:layout_constraintWidth_percent="0.33"
+        app:srcCompat="@drawable/ic_success"
         app:tint="@color/briar_green" />
 
     <TextView

mailbox-android/src/main/res/layout/fragment_status.xml

@@ -12,7 +12,6 @@
         android:layout_height="0dp"
         android:layout_marginHorizontal="8dp"
         android:layout_marginVertical="8dp"
-        android:src="@drawable/ic_success"
         app:layout_constraintBottom_toTopOf="@+id/headline"
         app:layout_constraintDimensionRatio="1:1"
         app:layout_constraintEnd_toStartOf="@id/buttonStop"
@@ -21,7 +20,9 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_chainStyle="packed"
         app:layout_constraintWidth_percent="0.2"
-        app:tint="@color/briar_green" />
+        app:srcCompat="@drawable/ic_success"
+        app:tint="@color/briar_green"
+        tools:ignore="ContentDescription" />
 
     <com.google.android.material.button.MaterialButton
         android:id="@+id/buttonStop"