Omni: Add LowerFPS Bootanimantion

Some devices like TF101 can only take a 100FPS boot animation
any higher fps than that just causes a black screen making
the user think it is bootlooping
this fixes that

Board flag = BOARD_NEEDS_LOWFPS_BOOTANI := true

Change-Id: I34c4ce4ee9177151cc2a7f5efd45f3b3997af91b
merge changes from Omni 4.4 into local branch