Fix realtimecomm_GTalk[Audio]Playground.

This includes:
* Update to newest gtalk playground
* Updated pgutil to place options file in the correct place
* Switched the URL to work around chrome's auto https redirect for
  talk.google.com
* Relaxing the video length check to account for slow camera and call
  startup

BUG=chromium-os:3001
BUG=chrome-os-partner:2012
TEST=tested on x86-alex

Change-Id: Ic8e506f9a9520c11239e49feb6a6c51b418b1dd3
Reviewed-on: https://gerrit.chromium.org/gerrit/16547
Commit-Ready: Noah Richards <noahric@chromium.org>
Reviewed-by: Noah Richards <noahric@chromium.org>
Tested-by: Noah Richards <noahric@chromium.org>
6 files changed