cmhw: add display and vibe tunables

* kangbang from g2, with necessary permissions

Change-Id: I015f339c10a186561285cdcf84855c3d51875859
camera: add prop permissions

Change-Id: Icf42bd37c713a80c2b0b317515d3402e8617b449
init: add permissions for framebuffer idle time

Change-Id: I3d4c299d92435849cb1c9cee5af8c094683e0cda
g3: fix external sdcard support

Change-Id: I853de0ec97d9dc94f41f37ad30112e1a2281ba68
g3: modify for AOSPA

Change-Id: Ib38d0ad9145e52b824c1f06e6d5b7bb21862b592
g3: add Lightbulb overlay

Change-Id: I2169bc41d82d221ebdd6858f17241c49cc6cf990