am 0a537b78: Merge "RTP: Enable AMR codec." into gingerbread

Merge commit '0a537b78d3fb4db86411d745b2696459d6b98ef6' into gingerbread-plus-aosp

* commit '0a537b78d3fb4db86411d745b2696459d6b98ef6':
  RTP: Enable AMR codec.