Added reporting info on chrome://management for desktop

Message added under Browsing Reporting section on Desktop
with "Chrome Reporting Extension (cloud or OnPrem)" installed
for each of the following policies:
  * report_machine_id_data (true for cloud reporting)
  * report_user_id_data (true for cloud reporting)
  * report_version_data (true for cloud reporting)
  * report_policy_data (true for cloud reporting)
  * report_extensions_data (true for cloud reporting)
  * report_safe_browsing_data (true for cloud reporting)
  * report_system_telemetry_data
  * report_user_browsing_data

Bug: 921698
Change-Id: Icccf744acb775be9723e38b61829ffb42fc2053c
Reviewed-on: https://chromium-review.googlesource.com/c/1423116
Commit-Queue: Yann Dago <ydago@chromium.org>
Reviewed-by: Dan Beam (slow until 1/29) <dbeam@chromium.org>
Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#625397}
6 files changed