Merge changes from topic "deny-create-user-dirs" am: 9fb8825578 am: 65f0713d14

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/2095484

Change-Id: Id9e1c58d6a5bcf2609229c387db91eec76afeefc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>