Announcing the final action when the drag-drop completes

am: 3f8864069b

Change-Id: Iba49c7ba1d1c2d1f4c279970bbcc3ff96af5ccc0

src/com/android/launcher3/Workspace.java

@@ -2743,6 +2743,9 @@ public class Workspace extends PagedView
             }
             parent.onDropChild(cell);
         }
+        if (d.stateAnnouncer != null) {
+            d.stateAnnouncer.completeAction(R.string.item_moved);
+        }
     }
 
     /**