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: 91763f22 am: bd043b83

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



Change-Id: I0d34091c4d712fcca91831c46f90f5e7bf5586a9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>