am 3f5b2867: Merge change I8f658214 into eclair-mr2

Merge commit '3f5b28679bb31b8ba8f75a2bf330ec0dc0ea14cc' into eclair-mr2-plus-aosp

* commit '3f5b28679bb31b8ba8f75a2bf330ec0dc0ea14cc':
  Minor tweaks to the mp3 and aac software decoders, propagate duration to output format.