Use openstack rpc functions to generate _Remote exceptions
Use openstack rpc functions to generate _Remote exceptions

use serialize_remote_exception and deserialize_remote_exception
to generate _Remote exceptions in api testing.

Change-Id: I30865306830678db493b83512bbcfac3b27ff13b

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