am 68ae91cb: Merge "Recent changes to the rtsp code require every buffer fed to the packet source to have a timestamp, we\'re ignoring timestamps for gtalk videochat but we still have to have a placeholder." into gingerbread

Merge commit '68ae91cbd20939e48ad15c15405048e7ff9fe2f8' into gingerbread-plus-aosp

* commit '68ae91cbd20939e48ad15c15405048e7ff9fe2f8':
  Recent changes to the rtsp code require every buffer fed to the packet source to have a timestamp, we're ignoring timestamps for gtalk videochat but we still have to have a placeholder.