GitLab

On some bots the license server is failing to start, so log a warning
when it fails to hopefully indicate what is going wrong.

Bug: 976083
Test: compiles
Change-Id: Idff11ea2885289608c549396b6e11e28e095ed72
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1940954Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Commit-Queue: John Rummell <jrummell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#719793}