Bug 1132720 - Hide the dialog on animation end to prevent flicker on Activity.finish(). r=margaret

--HG--
extra : rebase_source : ea91db60b92fa061fd2493849702388c4e6aa01b

mobile/android/base/overlays/ui/ShareDialog.java

@@ -376,6 +376,9 @@ public class ShareDialog extends Locales.LocaleAwareActivity implements SendTabT
 
             @Override
             public void onAnimationEnd(Animation animation) {
+                // (bug 1132720) Hide the View so it doesn't flicker as the Activity closes.
+                ShareDialog.this.setVisible(false);
+
                 finish();
             }