am 8e103da1: Merge "Various fixes and improvements in audio effects implementation" into gingerbread

Merge commit '8e103da1f1b0656e3427b34b75f02d7ddf6073d5' into gingerbread-plus-aosp

* commit '8e103da1f1b0656e3427b34b75f02d7ddf6073d5':
  Various fixes and improvements in audio effects implementation