Move VolumeAttachment polling to check_create_complete()
Move VolumeAttachment polling to check_create_complete()

Change-Id: I2e2fe3784b8cf79e3ccacd3451e06b75433fdd5b

openstack/heat,pratikmallya/heat,jasondunsmore/heat,JioCloud/heat,rdo-management/heat,redhat-openstack/heat,gonzolino/heat,redhat-openstack/heat,miguelgrinberg/heat,cwolferh/heat-scratch,noironetworks/heat,srznew/heat,varunarya10/heat,maestro-hybrid-cloud/heat,openstack/heat,takeshineshiro/heat,citrix-openstack-build/heat,rickerc/heat_audit,pratikmallya/heat,cryptickp/heat,jasondunsmore/heat,citrix-openstack-build/heat,ntt-sic/heat,ntt-sic/heat,rh-s/heat,cryptickp/heat,JioCloud/heat,dragorosson/heat,gonzolino/heat,dims/heat,cwolferh/heat-scratch,rh-s/heat,pshchelo/heat,steveb/heat,rdo-management/heat,noironetworks/heat,varunarya10/heat,NeCTAR-RC/heat,NeCTAR-RC/heat,dims/heat,rickerc/heat_audit,takeshineshiro/heat,steveb/heat,maestro-hybrid-cloud/heat,miguelgrinberg/heat,dragorosson/heat,srznew/heat,pshchelo/heat