Enable use of FFMPEG codecs for extended formats

credits to CyanogenMods other device maintainers (saw it on hammerhead)
this fixes m4a playback on Google Play Music for example.

Signed off by Myself5, Carbon Rom i9100 Device Maintainer

Thanks to Scott B for guiding me to this fix.

Change-Id: If457524ab66de2c7e2c6f9de43345111ee08b3b8
Automatic translation import

Change-Id: Ia8804b57ed27f9462dc91a53d221fdef9b04bc09
Automatic translation import

Change-Id: Ie1ce6cb2264cb6eb2205acdd6f0f5e17c6c7e2c1
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0