vibrator: allow servicemanager access to hal_vibrator_default am: 79f87c6207 am: 7470e4b35f

Original change: https://android-review.googlesource.com/c/platform/hardware/google/pixel-sepolicy/+/2442099

Change-Id: I7299ef427b488025601e16b988060db7a68eb80f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>