Merge "[pm] fix crash caused by race condition onUidGone" into udc-dev am: a3aa00e2 am: e6bfe7de am: adbaa679

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23678532



Change-Id: I96d77732d40b398414d56e755c7aa97887e17867
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>