add a rebootmenu tile

Change-Id: I176a07a370bf4a2f573bb439e474d92d83c1aac2
tune up boot animation

runs super smooth now until about when the autobrightness kicks on.
need to test on phones and figure out what makes it hang up at that point.
The original commit is ooooold.. i don't really see ifeq being
necessary since our devices can handle the added load.. but i did
leave the one for no texture cache just in case.

PS2: tweak some values.. not finished

Change-Id: I6383c48323eb0eb34a98a25b871d3406af2598d7