Merge "Fix system crash when ActivityEmbedding process died with pending events" into tm-qpr-dev am: 77f46df393 am: aa5df3bb13

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20224010

Change-Id: I513d90335dd7ffc3bb8ee2ae7c7a881a72e0a641
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>