Merge "Perfetto a trace for the entire flicker test run" into udc-qpr-dev am:...

Merge "Perfetto a trace for the entire flicker test run" into udc-qpr-dev am: 42ba45e1 am: 7f59896f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23429136



Change-Id: I24c5fef3b1c3d0faa33fa1f9c2a199c825bdcbb9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>