omni bringup

Change-Id: I2706b50a89c6f92f5c83be8c7efacb7faf865747
Revert part of g2: Update audio configuration

I think these values sound better

Change-Id: Ieeb2362d00ee080029cff5dde823f6a236f57776
Update LGE 4.4 sound from dr87

Change-Id: I2aaee7e156ac72d759890b614bc0bf2c53d49741
g2: TARGET_PROVIDES_LIBLIGHT := true

Change-Id: I43e9aef8b809a3efd20afba1a7990a5493ede941
enable autobrightness by default

Change-Id: I5065a40ff47b5a42a3d137d981c75fda6ea0df93