Merge "Promote stable flicker tests (app launch)" into sc-dev am: 128a9fdb...

Merge "Promote stable flicker tests (app launch)" into sc-dev am: 128a9fdb am: a151d8b3 am: 363b0584

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14840462

Change-Id: I8ae003d17ef0bed68cc7291f21aacc2112355e42