Add gce annotations
Add gce annotations

Related to creating HTTPS load balancers.
kubernetes/ingress-nginx,jcmoraisjr/ingress,nicksardo/ingress,kubernetes/ingress-nginx,canhnt/ingress,caicloud/ingress,danielqsj/ingress,nicksardo/ingress,canhnt/ingress,jcmoraisjr/ingress,nicksardo/ingress,chentao1596/ingress,aledbf/ingress-nginx,canhnt/ingress,caicloud/ingress,kubernetes/ingress-nginx,aledbf/ingress-nginx,caicloud/ingress,danielqsj/ingress,canhnt/ingress,nicksardo/ingress,caicloud/ingress,kubernetes/ingress-nginx,aledbf/ingress-nginx,jcmoraisjr/ingress,kubernetes/ingress-nginx,aledbf/ingress-nginx,kubernetes/ingress-gce,kubernetes/ingress-gce,chentao1596/ingress