tree 118ba7cad0f57554a58ec368702abbef3e766470
parent 5836ffd31f3b46e16c5748100569516e25e7aa45
author Hai Zhang <zhanghai@google.com> 1573846747 -0800
committer Hai Zhang <zhanghai@google.com> 1573847198 -0800

Add synchronization for PermissionData.

Concurrent modifications of mUserStates need to be synchronized.

Fixes: 142476570
Test: presubmit
Change-Id: If0f57bd8027a5631a81f377907205db67d6979a8