Merge "[AE Flicker Test] From a rtl split B|A, launch rtl PlaceholderPrimary...

Merge "[AE Flicker Test] From a rtl split B|A, launch rtl PlaceholderPrimary and PlaceholderSecondary. Expect PlaceholderSecondary|PlaceholderPrimary to cover B|A." into udc-qpr-dev am: 0c86688b am: 3b809c7a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23302520



Change-Id: I9616ce0596b7390c2870c1517456840d447f6833
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>