Merge "Add Launcher.onDragStarted" into ub-now-mister-ugly

src/com/android/launcher3/Launcher.java

@@ -2596,6 +2596,8 @@ public class Launcher extends Activity
         }
     }
 
+    public void onDragStarted(View view) {}
+
     /**
      * Called when the user stops interacting with the launcher.
      * This implies that the user is now on the homescreen and is not doing housekeeping.

src/com/android/launcher3/Workspace.java

@@ -2598,6 +2598,7 @@ public class Workspace extends SmoothPagedView
     }
 
     public void beginDragShared(View child, DragSource source) {
+        mLauncher.onDragStarted(child);
         // The drag bitmap follows the touch point around on the screen
         final Bitmap b = createDragBitmap(child, new Canvas(), DRAG_BITMAP_PADDING);