Merge "Fix pip window can't move in recents" into tm-dev am: 4a8619ce am:...

Merge "Fix pip window can't move in recents" into tm-dev am: 4a8619ce am: 982f5300 am: 8fc34069

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18157814



Change-Id: Ic71b506010ab15009784ecfb1aa611e17d9c2ff3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>