Update user names on changes in settings/user.

- Refreshes the names when changes occur due to user switching or name
  change.
- Refreshes the views to be shown when the status bar is hidden.

Bug: 67374389
Bug: 67376674
Bug: 67382914

Change-Id: I3b60bf1dbd59e0e288950ec314a551fff8e59fee
(cherry picked from commit 695ede356b0f80a1c37329cd5ebbc6aaebe784ba)