Merge "Remove write permission from file mode of top-level user dirs" am:...

Merge "Remove write permission from file mode of top-level user dirs" am: 46477f1d am: c7f7743f am: 8f2e5f1e

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2620458



Change-Id: I756e5f08b99e3b50099cadfdd4ffa67b096f7bcd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>