Merge "Destroy saved surfaces if one of the last visible windows gets removed"...
Merge "Destroy saved surfaces if one of the last visible windows gets removed" into nyc-dev am: 15818e11
am: 51cc0f48
* commit '51cc0f48':
Destroy saved surfaces if one of the last visible windows gets removed
Change-Id: I14fad31b6a9a4947e29d6fbe10c15e5122b95f1c