frameworks: add more definitions for EVToolbox

  - will return to cleanup after the remaining features are added to L

Change-Id: I6e8181570fd859b5eceffac58d1d9b4e88419d9b
add am_pm statusbar clock choice to toolbox

Change-Id: Ib4d63f6218ccec553415139ebaf5d35ee4bca7a2
SystemUI: bring back battery options

Change-Id: I1ab289c25a806f5994c14a11593d1d9a7818d1b8
allow forcing HighEndGfx mode

people have already started fipping the lomRam prop to enable
transparent status bar, this will enable it with fewer
repercussions

Change-Id: Ied6de65276425fa1e7db0bf9da35f1932a355172
Support for fake density

Change-Id: Ia2c7a7ba3af4242a2abbe503becae5519ff1f7e5