audio: Remove audio config files.

Move the audio config files required for routing, policy, etc from
devices/qcom/dragonboard/base_product to hardware/bsp/qcom/soc/msm8916.
All products that use audio need these configs, not just the
base_product.

BUG=25844626
TEST=manual test

Change-Id: I49ec12938108d27764a3e608b018ce6b4c7ac6ad
5 files changed