Merge "Add unit test on sending power hints in SurfaceFlinger" into tm-dev am:...

Merge "Add unit test on sending power hints in SurfaceFlinger" into tm-dev am: 82237710 am: 5dc854ad am: b613ddbb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/17573287



Change-Id: Id50de4c5dbf77297092ff801881accd9ad1cefa9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>