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

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



Change-Id: I0ee496944fd4eee6381147e75453474686f10be4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>