Merge "Merge "Cancel the back animation if the topCallback is removed or the...

Merge "Merge "Cancel the back animation if the topCallback is removed or the WindowOnBackInvokedDispatcher is detached from the window." into udc-dev am: b3805c73 am: c0b63d30" into udc-d1-dev-plus-aosp am: 6aa7d777 am: 4a08576d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23516257



Change-Id: I19ad8c61348606db36891733a06120a41de64663
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>