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 am: 2e087452

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



Change-Id: I4e3444f355755240f4aef9e53e1c8aedf7323882
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>