Add guest mode functionality (1/3) am: 4048610354 am: 1b89c8c0dd  -s ours am: 4c7e952d48 am: 45c6e0013a
am: 8a1c5858ce

* commit '8a1c5858ce8468eb03824687526c05258da5886d':
  Add guest mode functionality (1/3)

Change-Id: Id0144b188d9de57b026d3fcdb0b196fcb1946243