Merge "Handle openning transition while animating a pair to home" into udc-dev am: 032c4d585d am: b3be7baf0e am: 61c36f5ac6 am: 11d715ec89

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23352436

Change-Id: I056c634103be2cbd0a95db78e9065a66ae100da0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>