[DO NOT MERGE] Disallow guest user from changing Wifi settings am: d8c3ca4 am: 542bb73 am: fbfd7d0
am: 7dfe3d4  -s ours

* commit '7dfe3d4457cd3ff952c65c7fe0816e19b42e945f':
  [DO NOT MERGE] Disallow guest user from changing Wifi settings