am 1340ee8a: Merge "NEW_API: Unhide audio effect APIs." into gingerbread

Merge commit '1340ee8a273a9b25a779f3b18d6f832ce496c68e' into gingerbread-plus-aosp

* commit '1340ee8a273a9b25a779f3b18d6f832ce496c68e':
  NEW_API: Unhide audio effect APIs.