use a private endpointDiscoveryResponse to generate eds response (#11077)
use a private endpointDiscoveryResponse to generate eds response (#11077)

* use a private endpointDiscoveryResponse to generate eds response

* fix lint

* revert comments

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