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

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



Change-Id: Id5f9a5b1f2bc6784e5046b7757a4bde9b93cbc4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>