This proposes moving the multinode job to a periodic job to
match the approach used in the openstack-helm repo.
This also adds the openstack-exporter to the aio monitoring job as
it was previously missing.
This also proposes moving the aio-logging and aio-monitoring jobs
to voting
Change-Id: Idcd4544e03facdcd2430683b66bd80c79e73a372
1e40765d88