res: Replaced TouchImageViewCustom widget with PhotoView widget

src/main/res/layout/preview_image_fragment.xml

@@ -34,7 +34,7 @@
     android:animateLayoutChanges="true">
 
 
-    <third_parties.michaelOrtiz.TouchImageViewCustom
+    <com.github.chrisbanes.photoview.PhotoView
         android:id="@+id/image"
         android:layout_width="match_parent"
         android:layout_height="match_parent"