am e468a4bc: am 751b4731: Merge "A few additions to the download manager public API documentation" into gingerbread

Merge commit 'e468a4bc74f1b241b3de09ea99251a419e40c6d3'

* commit 'e468a4bc74f1b241b3de09ea99251a419e40c6d3':
  A few additions to the download manager public API documentation