tree 013720a404ed609b96d59a3e02f53dc36c122e1b
parent b49576d5241859a3cf03c9f34b8030ad25d3806b
author Pablo Ceballos <pceballos@google.com> 1453772475 -0800
committer Pablo Ceballos <pceballos@google.com> 1458601577 -0700

SF: Add FenceTracker

FenceTracker tracks all fences in SurfaceFlinger. These timestamps
could be used for debugging, profiling, or be exposed to the
application.

Change-Id: I4297a661c0a7530e744168ac7a2a66c4bca92fd5