tree d0314a0f5b72b9689b641f26b4f84ef0a8ef6723
parent 767d7c9fb0caff1e27f368d6256638407f872556
author Chia-I Wu <olv@google.com> 1512108458 -0800
committer Chia-I Wu <olv@google.com> 1513799416 -0800

surfaceflinger: add more sync operations to RenderEngine

Add RenderEngine::finish and RenderEngine::waitFence.  Rework flush
not to fall back to finish.

Test: SurfaceFlinger_test
Change-Id: I2e5738f72b4aa1186d45d23cab9055f96d90ff23