The following changes are in this commit:
Avoid destroying TextureView surfaces for onStop
bug:30238922
TextureViews will hold onto their backing surfaces, which will allow
them to resume gracefully when the app's surfaces are saved.
Now only resources that are destroyed for onStop are DisplayLists.
(cherry picked from commit 391d560402)
TextureView: destroy layer on destroyHardwareResources event
bug:30468770
(cherry picked from commit 1c16c37d86)
Fix NPE in TextureView
Bug: 30651595
(cherry picked from commit 3c2587f26e)
Fix NPE in TextureView
Bug: 30779663
(cherry picked from commit 7e237189c2)
Fix maps resume being blank
Bug: 30889568
Fixes an issue where mLayer didn't have
the mSurface set on it in certain resume
scenarios.
(cherry picked from commit 03df0834e6)
2e8a8a2432