[DO NOT MERGE] Disallow guest user from changing Wifi settings am: d385a6d  -s ours am: c2712ab am: 3253022 am: f4fd201  -s ours am: 1450b69 am: 1d508de
am: 3b2ed11

* commit '3b2ed11851f342f01bef3832e8603122698a3588':
  [DO NOT MERGE] Disallow guest user from changing Wifi settings