Add mixer_paths.xml

* Moved from vendor

Change-Id: Ia47c4b5c59dae1a7aa2084c8d31d1af2e8d57a0f
Update header for open source lights HAL

Change-Id: If7ed178f65ec509851709160d18e70af69691310
init: Add more permissions for LED

Change-Id: I6331be37dde3430484b0c9cd3df717e4454cbb72