audio: Add support for offloading MPEG2 and WMA

Change-Id: I75afa455537cc8aaecd5d5a36ffda9e62785c723
audio: Always offload audio for AV

Change-Id: I88ba026c9733cdd7e31a5771f3d82bfc1cf37597
Revert "audio: Always offload audio for AV"

 * Framework offload path is too racy and the root issue this was
   addressing is resolved now.

This reverts commit 6f03c6068a26636f68038402a84d371f64d54ddf.

Change-Id: I35f9a5b2a613bdff056630dffeecd7117657cc85
Merge pull request #6 from CyanogenMod/cm-11.0

#6