Merge "Handle openning transition while animating a pair to home" into udc-dev...

Merge "Handle openning transition while animating a pair to home" into udc-dev am: 032c4d58 am: b3be7baf am: 61c36f5a am: 11d715ec

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>