Photo Picker dialog: Add a test.

chrome/android/java/res/layout/photo_picker_bitmap_view.xml

Index: chrome/android/java/res/layout/photo_picker_bitmap_view.xml
diff --git a/chrome/android/java/res/layout/photo_picker_bitmap_view.xml b/chrome/android/java/res/layout/photo_picker_bitmap_view.xml
index bb6fabaa621f2fbf181ca9d52b0ae09d7a692020..e84c8c3db880c1bb1a1bd18fc76da0b9c9a3409e 100644
--- a/chrome/android/java/res/layout/photo_picker_bitmap_view.xml
+++ b/chrome/android/java/res/layout/photo_picker_bitmap_view.xml
@@ -9,6 +9,7 @@
 
 <view class="org.chromium.chrome.browser.photo_picker.PickerBitmapView"
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content">
 
@@ -39,9 +40,9 @@
         android:layout_height="26dp"
         android:layout_marginStart="2dp"
         android:layout_marginTop="2dp"
-        android:background="@drawable/checkmark_blue"
         android:contentDescription="@null"
-        android:visibility="gone" />
+        android:visibility="gone"
+        app:srcCompat="@drawable/checkmark_blue" />
 
     <ImageView
         android:id="@+id/unselected"