Add guest mode functionality (1/3) am: 4e10135ef4 am: 6e98ba09a2
am: 4137555a77

* commit '4137555a77c5fd68eedbf63a0a351599edcbbcac':
  Add guest mode functionality (1/3)

Change-Id: I5cc9b7d8082908d2c64012b63e5183365366ed1e