Merge changes from topic "presubmit-am-5e85a1ad75f141e799291ec6c22492f6" into tm-dev
* changes:
[automerged blank] Prevent exfiltration of system files via avatar picker. 2p: 1b48ca6b 2p: fd3945a3
[automerge] Prevent exfiltration of system files via avatar picker. 2p: 1b48ca6b
Prevent exfiltration of system files via avatar picker.