Handle multi-user when disabling MediaMetrics service. am: b71998ffa2 am: 77be4c4f89 am: 7b79ffd1fa am: 6d58955066 am: d82d11248b am: 0b43c962e7 am: 3428568fb0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/21436006

Change-Id: I5c8c940d3dfe69807e1153ef093952274db326ab
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>