Merge "Remove popup container drag listener on close complete." into sc-v2-dev

src/com/android/launcher3/popup/PopupContainerWithArrow.java

@@ -486,6 +486,9 @@ public class PopupContainerWithArrow<T extends Context & ActivityContext>
     @Override
     protected void closeComplete() {
         super.closeComplete();
+        if (mActivityContext.getDragController() != null) {
+            mActivityContext.getDragController().removeDragListener(this);
+        }
         PopupContainerWithArrow openPopup = getOpen(mActivityContext);
         if (openPopup == null || openPopup.mOriginalIcon != mOriginalIcon) {
             mOriginalIcon.setTextVisibility(mOriginalIcon.shouldTextBeVisible());