Restrict readability of uid state changes so that uid states of other users uids are not exposed to those that do not have permission. Test: manual test Bug: 217934898 Change-Id: I3f52d4ca32c22c54fa9b1663954a43b44d9000a0 Merged-In: I3f52d4ca32c22c54fa9b1663954a43b44d9000a0 (cherry picked from commit c69aa1be70009c10e76196f71023f229cc667b7a)