GitLab

Adds log message instead so situation will be available for user
feedback report based on this screen.

Tested log message locally by hacking threshold constants to simulate
blocked proxy condition.

Bug: 839478
Change-Id: I92935bb164255187127096ac86820bb32b689b2e
Reviewed-on: https://chromium-review.googlesource.com/1042794Reviewed-by: Theresa <twellington@chromium.org>
Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Ben Greenstein <bengr@chromium.org>
Commit-Queue: Doug Arnett <dougarnett@chromium.org>
Cr-Commit-Position: refs/heads/master@{#556467}