deleted:    recovery/res  conflicts with CWM Recovery

Change-Id: Ia355910828debb694442b7f97647673a0865b205
hammerhead: Better USB audio support

 * Use new QCOM USB audio path which uses the AFE proxy.
 * This fixes the issues with skips and drops when UI sounds play.

Change-Id: I9941d49b669208959353805f43f51874a415eba3
Merge branch 'exp' into cm-11.0-linaro