am 6c33904a: Merge "Now that AmrInputStream no longer relies on opencore, make sure it\'s registered in non-opencore builds." into gingerbread

Merge commit '6c33904ad948cb64245fbc5950c839e4d9e56de3' into gingerbread-plus-aosp

* commit '6c33904ad948cb64245fbc5950c839e4d9e56de3':
  Now that AmrInputStream no longer relies on opencore, make sure it's registered in non-opencore builds.