Merge "[wm] schedule a traversal when animation ends" into udc-qpr-dev am:...

Merge "[wm] schedule a traversal when animation ends" into udc-qpr-dev am: 17227243 am: 41ac1ac4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24516570



Change-Id: I19f816d57eeb71c2287d1ee097b8dbbe6f642348
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>