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

Merge "[pm] fix crash caused by race condition onUidGone" into udc-dev am: a3aa00e2 am: b5331f4c

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



Change-Id: I32cca2a08ffd394a70d1256c20ba30fa8a7a6ce1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>