Also adds a note in the javadoc. Bug: 177252626 Test: atest NotificationManagerServiceTest Change-Id: I1e55b08d3de7b6be22090cc821794c78c6659620
Also adds a note in the javadoc. Bug: 177252626 Test: atest NotificationManagerServiceTest Change-Id: I1e55b08d3de7b6be22090cc821794c78c6659620