Merge "Set a default ACL on /data/media/userId." am: c5c3cdee24 am: ad7b138161

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/1530814

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9d464a65e45e9250dbf161e0d35a991b99a86c3a