Merge "Revert "Revert "Revert "Set a default ACL on /data/media/userId."""" am: a98846d8d5

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/1592902

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7c3c8bd230bcc14471d127ddc2276634cd2b2a43