am d6343c26: Merge "Interface support for custom HTTP headers in DL manager" into gingerbread

Merge commit 'd6343c26b8580f61a257a3045bfa124049201116' into gingerbread-plus-aosp

* commit 'd6343c26b8580f61a257a3045bfa124049201116':
  Interface support for custom HTTP headers in DL manager