puppet-ceilometer now supports deploying separate polling agents for
individual namespaces, in addition to the single polling agent.
This enables that new deployment architecture in scenario002 so that we
test both architectures.
Depends-on: https://review.opendev.org/c/openstack/puppet-ceilometer/+/856850
Change-Id: Ifdd5adef1e7cbb37e8ab3e3c2b3a860128b46821