Merge "Ignore null action in SliceManagerService." into main am: 06c052d9e7 am: 60776015fd

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3319639

Change-Id: Ie815d2bf134b49686631853fe307694bdb814698
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>