Revert "Update NotificationManagerService.java"

This reverts commit 5ce33d45fff28395fbd2d9ab77323be15473396e.
Revert "Update NotificationManagerService.java"

This reverts commit d06c2c4a501e8fd19c14e4f84fc602558981743d.
Revert "Update NotificationManagerService.java"

This reverts commit d861ea1037e76ed1684bdea3a37cb5bfa1d41767.