Merge "Move PiP in response to keep clear areas changed events." into tm-qpr-dev am: abcf028a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19271709



Change-Id: Iebb62380b5d73354b20ed3b80f6d75f528534d8d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>