Use virtual package for ansible
Use virtual package for ansible

Rather than specify ansible-python3 or ansible, we can try the virtual
package for the python specific version of ansible.

Change-Id: I246edfaf8cc0ee12852c18c6f9027e48880797a4

stackforge/kolla,rahulunair/kolla,openstack/kolla,openstack/kolla,rahulunair/kolla,stackforge/kolla,stackforge/kolla