Merge "Delay PiP movement in response to keep clear areas changed." into tm-qpr-dev am: 839a5d12

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19931048



Change-Id: I73f278599fb0909686803fc9d8709ff24260789b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>