Merge "Ignore null action in AlarmManagerService$UninstallReceiver." into main am: cd682f630c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3275932

Change-Id: Id1f6db3ff48fd974ae4b0d29f85bde1a773e2bbc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>