Fix designate image build
Fix designate image build

Designate implemented policy in code global goal.
This caused to policy.json is not present anymore.

Change-Id: Ib0b876019d4622f0c62429605c64d18a607b0320

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