Merge "Fix stashed PiP so it only moves up/down if outside of insets" into udc-dev am: 378b9f11 am: eeb0ec7d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23647404



Change-Id: I5b3de6f27041053beda39995efdd198a1635d41e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>