device fixes

Change-Id: Ica1b7420440032836a5c784facde80035cdd9504

Release tools for PRODUCT_DEVICE build.prop override

M7 series camera needs "ro.product.device=m7" for camera libs
to function properly. FFC has a terrible blue saturation without
the property being set. There is no way to do this in build without
aweful hackery so we do it like this.

Change-Id: I8f8685193049d6225588f2de731b3141aeca1e8e

devices fixes pt 2

Change-Id: I906b1d76bde44ff79b6b7f23187a55144ea26019

m7-common: update audio_policy from CAF upstream

Change-Id: I2187713a4d8f00a5e4649283c56816c3c1ae729d