Neutron: apply db migration for BGP dynamic routing agent
Neutron: apply db migration for BGP dynamic routing agent

Change-Id: Id84d5a1b3c70c0260b85ed7c24aa7f1e007c12d6
Closes-Bug: 1848572

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