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: 1f7138de am: a0c94a00 am: ccb2fa8b

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



Change-Id: I699e26e7941a67bcb3f664f929fc36048aaa6c97
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>