Add neutron to required-projects for dragonflow
Add neutron to required-projects for dragonflow

Change-Id: I581b02cb34602cc9466e9a121544a4e3a36d8e3d
Depends-On: I753fb3e1500026fc84dcff6709b244fc4c1c5974

openstack-infra/project-config,openstack-infra/project-config