Roll swarm_client @ 230741.

It's a single change:
Set the priority in the correct location

R=csharp@chromium.org
BUG=

Review URL: https://codereview.chromium.org/40623002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230787 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230788 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230787
SVN changes up to revision 230788