Add CloudManagementEnrollmentToken into policy template.

Even though we don't read this policy value from Pref service, we still
want to put it into policy_templates.json so that admin could find it in
the ADM/ADMX template.

Change-Id: I1fe1419f456256187e53bf360871f9b9a08bb2a8
Reviewed-on: https://chromium-review.googlesource.com/c/1374465
Commit-Queue: Owen Min <zmin@chromium.org>
Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616735}
3 files changed