Merge "Cancel existing recents animations if a no-op transitition is detected"...

Merge "Cancel existing recents animations if a no-op transitition is detected" into udc-dev am: beb8b5cf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22734354



Change-Id: I2009f70b3ad5212b16d093cf31658f3dfca26a67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>