Merge "Do not allow PiP stash over DisplayCutout" into tm-dev am: d34728c2 am: 441215c9 am: 61b49aa0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17746453



Change-Id: I219c4e7eb1b6dd6125f0208d543267aa874dca72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>