Merge "Avoid recursive destruction from exit animation done" into tm-dev am:...

Merge "Avoid recursive destruction from exit animation done" into tm-dev am: 73dfe3e7 am: a150b230

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18753583



Change-Id: I0c5e90a6deba3a3dc3cf43d35c4579eb4435632a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>