Implement expanded desktop feature

Author: Kyrylo Mikos <kiril.mik.os@gmail.com>
Date:   Mon Nov 17 13:56:05 2014 +0200

    Bringup expanded desktop and implement per-user configuration.

    Change-Id: I90d834d788b3050a3f4c11dda9b6d1a7d79546cc

Author: Adnan Begovic <adnan@cyngn.com>
Date:   Wed Feb 4 01:00:06 2015 -0800

    Create configurable default expanded desktop style.

    Change-Id: I90c7f8544cda9b91fb9b700fcf146f4e58b15a26

Author: Adnan Begovic <adnan@cyngn.com>
Date:   Wed Jan 21 21:52:35 2015 -0800

    Remove unused POLICY_CONTROL_SELECTED. Unbreak public api.

Change-Id: Ib0900349115442274fb08eb172de2567a8b00295