tree 1ca27cd3e85b18f352fc12a99017e15384328dc5
parent 9031c5046d364cd4e7e50557289fc4645e1e3f00
author Marissa Wall <marissaw@google.com> 1473276417 -0700
committer Marissa Wall <marissaw@google.com> 1488488781 -0800

hwc2: atrace

Add atrace on validate and present display.

Test: Add "TARGET_USES_HWC2 := true" to BoardConfig.mk.
      Recompile.
      Run testcases: https://android-review.googlesource.com/#/q/project:
            platform/frameworks/native+branch:master+topic:test-hwc2

Change-Id: I6d7c3853eb73ab7638980824f9c7b6a4bca69d7f