update discovery cache to listen to changes to all configs (not just v1alpha1) (#3283)
update discovery cache to listen to changes to all configs (not just v1alpha1) (#3283)


smawson/istio,geeknoid/istio,istio/istio,smawson/istio,geeknoid/istio,istio/istio,geeknoid/istio,geeknoid/istio,frankbu/istio,istio/istio,frankbu/istio,smawson/istio,geeknoid/istio,frankbu/istio,istio/istio,frankbu/istio,smawson/istio,smawson/istio,geeknoid/istio,frankbu/istio,istio/istio,smawson/istio,frankbu/istio