Reintroduce TripleoPackages in the default Controller service.
Reintroduce TripleoPackages in the default Controller service.

Without this service, no package upgrade can happen on the host.  This
breaks upgrade ci.  For instance the puppet modules (for instance) are not
upgraded at all, neither is os-net-config and so on…

Change-Id: Ic050bd58065904f1c55d6a71c7bd4b09ba72d19d
Closes-Bug: #1734353

openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates