Fix more images not showing

Corona-Warn-App/src/main/res/layout/home_submission_status_card_error.xml

@@ -52,7 +52,7 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/subtitle" />
 
-        <ImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:id="@+id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

Corona-Warn-App/src/main/res/layout/home_submission_status_card_invalid.xml

@@ -36,7 +36,7 @@
             app:layout_constraintStart_toStartOf="@+id/title"
             app:layout_constraintTop_toBottomOf="@+id/title" />
 
-        <ImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:id="@+id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

Corona-Warn-App/src/main/res/layout/home_submission_status_card_pending.xml

@@ -37,7 +37,7 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/title" />
 
-        <ImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:id="@+id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"

Corona-Warn-App/src/main/res/layout/home_submission_status_card_unregistered.xml

@@ -37,7 +37,7 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/title" />
 
-        <ImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:id="@+id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"