[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 am: 070b76e  -s ours
am: 96fe195

* commit '96fe195bddf11371177c868f534e3e1f988b2c83':
  [DO NOT MERGE] Disallow guest user from changing Wifi settings