Add empty new line at the file end

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/res/drawable/photo_pin.xml

@@ -31,4 +31,4 @@
         android:drawable="@drawable/outline_image_24"
         android:gravity="center_horizontal"
         android:top="2dp" />
-</layer-list>
+</layer-list>