add more delta service definitions, update proto_descriptors (#7110)

Delta services other than DeltaClusters were missing. Also added those services to proto_descriptors.cc. Also added some other things that proto_descriptors.cc was missing. #4991

Risk Level: low

Signed-off-by: Fred Douglas <fredlas@google.com>

Mirrored from https://github.com/envoyproxy/envoy @ 40d8b7f68c64591f11d4e62ac429af5e074ed3a7

envoy/api/v2/eds.proto

@@ -31,6 +31,9 @@ service EndpointDiscoveryService {
   rpc StreamEndpoints(stream DiscoveryRequest) returns (stream DiscoveryResponse) {
   }
 
+  rpc DeltaEndpoints(stream DeltaDiscoveryRequest) returns (stream DeltaDiscoveryResponse) {
+  }
+
   rpc FetchEndpoints(DiscoveryRequest) returns (DiscoveryResponse) {
     option (google.api.http) = {
       post: "/v2/discovery:endpoints"

envoy/api/v2/lds.proto

@@ -30,6 +30,9 @@ option (gogoproto.equal_all) = true;
 // consist of a complete update of all listeners. Existing connections will be
 // allowed to drain from listeners that are no longer present.
 service ListenerDiscoveryService {
+  rpc DeltaListeners(stream DeltaDiscoveryRequest) returns (stream DeltaDiscoveryResponse) {
+  }
+
   rpc StreamListeners(stream DiscoveryRequest) returns (stream DiscoveryResponse) {
   }
 

envoy/service/discovery/v2/sds.proto

@@ -16,6 +16,10 @@ message SdsDummy {
 }
 
 service SecretDiscoveryService {
+  rpc DeltaSecrets(stream envoy.api.v2.DeltaDiscoveryRequest)
+      returns (stream envoy.api.v2.DeltaDiscoveryResponse) {
+  }
+
   rpc StreamSecrets(stream envoy.api.v2.DiscoveryRequest)
       returns (stream envoy.api.v2.DiscoveryResponse) {
   }