Merge "Fixed TopNotificationPanelViewMediator to register drag open listener...
Merge "Fixed TopNotificationPanelViewMediator to register drag open listener on top bar." into rvc-dev am: 18f35e57 am: 8bad092c am: 2aeda3bc
Change-Id: I8e1464f0f21ea627baead33c4f75b755c804e719