Surface synchronization: Add some useful trace events

This CL adds some trace events that debug surface sync performance issues
and visualize synchronization of surfaces across multiple clients.

Bug: 672962
Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel
Change-Id: I87a1f1695bc3536160ca7d8f669bfae81ce200fb
Reviewed-on: https://chromium-review.googlesource.com/782062


Reviewed-by: kylechar <kylechar@chromium.org>
Commit-Queue: Fady Samuel <fsamuel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#518304}