cm: Turn it up to Eleven

Change-Id: I61250192604498d9259470cbf1a3bb72acfe9eb6
cm: Enable AudioFX

 * Drop DSPManager and libcyanogen-dsp. Devices should switch to
   standard Android effects or offload-capable versions.

Change-Id: I4f4eec5747e9073e576fe70e720ac3ffebb3fdd9
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_vendor_cm into cm-12.0