Create new system level for Tenant Telemetry

Since Openstack Pike ceilometer-api and database setup is deprecated,
added classes which need to be used since Openstack Pike release.

Change-Id: I36a145e24da647bae64bfb9e6de1b058282e340e
Related-Prod: https://mirantis.jira.com/browse/PROD-21282
5 files changed