overlay: Enable HardwareKeys

Change-Id: Ifbc7177e30e7614e94bd784946ca98703e53dd79
overlay: Turn on screen when plugging/unplugging device

Change-Id: I830bd3806588affbee4dfb53efd7c5de665ae7b5
overlay: Enable lockscreen translucent decor

Change-Id: Ie0e8473132e19b1e282b5191797ee17c60ca1449