Merge "Remove write permission from file mode of top-level user dirs" am: 46477f1d82

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

Change-Id: Idc00da3c1d5ce7f5ffc8a3f7942b947fe1b59833
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>