Merge "Revert "Revert "Set a default ACL on /data/media/userId.""" am: 2e8f0d438b

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/1566179

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I4464d2bcb23434832a7448ef59d079079a5c809d