Add more detail to CT swarming link
Add more detail to CT swarming link

BUG=skia:

Change-Id: Ia1fb40093c15bdad3507ab1c2f3a08ce55665519
Reviewed-on: https://skia-review.googlesource.com/3620
Reviewed-by: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>
Commit-Queue: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot