audio-caf: import qsd8k into repo

Qcom/Audio: Import qsd8k audio HAL for jellybean.

Change-Id: I0b7972e55ace00d134a123a09372421975387636

qsd8k: Port and enable a2dp in AudioPolicyManager

This is the minimal change required to build against the newer
libhardware_legacy. A2DP audio routing was tested on the passion.

Change-Id: I915766748c4fd97388afd7a5853b6723654da019

qsd8k: update api

Change-Id: I1861373daeecb6576b57c3d0b8467d36747e1599

Revert "qsd8k: update api"

This reverts commit e530ef022e8cbc604fe288f52bd5dd2f482107f0.

audio-legacy: Add kernel includes.

Change-Id: Ieafa7d6d492e546a6ae9d606e22eddeea7df5bea
audio-caf: Import 7x30 audio

Change-Id: Iaa4912ca4dad659e679d982064d2ba23abb42e61