GitLab

Change the initial DevTools connect timeout from 1 second to 2 seconds.
While a timeout of 1 second was sufficient for Linux and Mac, it turned
out to be too short for Windows, where a normal successful connection
usually takes very close to 1 second.

Change-Id: I685ac9aa45a7ce250f2af718959661c59dcf8f0d
Reviewed-on: https://chromium-review.googlesource.com/1037806Reviewed-by: Jonathon Kereliuk <kereliuk@chromium.org>
Commit-Queue: John Chen <johnchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#555549}