GitLab

1) PolicyTestServer can be configured not to ask for device attributes
during enrollment.
2) PolicyTestServer can be configured to produce specific HTTP error
codes during enrollment

Bug: 950471
Change-Id: Ie49080260bfc4d07ae46b3f64a72df750a09913d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1556804
Commit-Queue: Denis Kuznetsov <antrim@chromium.org>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#648697}