Merge "Rate limiting PiP aspect ratio change request" into sc-qpr1-dev am: 19b654c1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/27266233



Change-Id: I7bee56665445485f9b3575137dd3a67d6f7044dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>