Co-Authored-By: Prashanth Manthena <prashanth.manthena@nuagenetworks.net>
Co-Authored-By: Sigert Goeminne <sigert.goeminne@nuagenetworks.net>
Bug: https://issues.apache.org/jira/browse/CLOUDSTACK-9832
Detail:
When the VPC offering does not contain VpcVirtualRouter as a SourceNat provider,
then we will not add the interface in the public network to the VpcVR.
CLOUDSTACK-9832: Move isSrcNat check to VpcManager