GitLab

Add three bots to CQ for any changes to sandbox/win:

 * win-asan
 * win10_chromium_x64_dbg_ng
 * win7-rel

This is because any sandbox changes can be particularly sensitive
to OS version/configuration.

BUG=750886

Change-Id: I4ff315f65e220591a0835069342b51ab2549d183
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1762384Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Will Harris <wfh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688603}