This change adds the functionality to display Short URLs for issues if possible.

BUG=

Change-Id: I250f3609e853663b576b8ff1c7e27e264b179755
Reviewed-on: https://chromium-review.googlesource.com/426318Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@chromium.org>