[automerger skipped] Prevent exfiltration of system files via avatar picker. am: f70e351d1a am: 05ea36ddc5 am: ff5b6611cf am: cbf1699cd7 -s ours

am skip reason: Merged-In I15e15ad88b768a5b679de32c5429d921d850a3cb with SHA-1 2ac45dd49e is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/19745058

Change-Id: Ic7660e922a883a8147447dad898d407c4f3d387e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>