audio_effects.conf - Add loudness enhancer
This was added to the default audio_effects.conf in KitKat, but
the DSPManager override still doesn't have it.

Change-Id: I2656d47dc4e81d6c6d82fd890bbc27eb8e9d5eaf
Automatic translation import

Change-Id: I5cb7dda188edd3596bfc314cacac51daf7befda0
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0