Always remove drag view immediately when cancelling drag. (Bug: 6119112)

Change-Id: Ib0a829c5bee834700e29dba8538c83b773d017b2
diff --git a/src/com/android/launcher2/DragController.java b/src/com/android/launcher2/DragController.java
index 129987f..019a749 100644
--- a/src/com/android/launcher2/DragController.java
+++ b/src/com/android/launcher2/DragController.java
@@ -351,6 +351,7 @@
             if (mLastDropTarget != null) {
                 mLastDropTarget.onDragExit(mDragObject);
             }
+            mDragObject.deferDragViewCleanupPostAnimation = false;
             mDragObject.cancelled = true;
             mDragObject.dragComplete = true;
             mDragObject.dragSource.onDropCompleted(null, mDragObject, false);