deploy: add GRPC servers to build.golang.org

This change mounts the gomote and coordinator servers in the proper
locations.

Updates golang/go#47521
Updates golang/go#49191

Change-Id: I7c0054028fa928ba025b3c511701512e183894fd
Reviewed-on: https://go-review.googlesource.com/c/build/+/365735
Trust: Carlos Amedee <carlos@golang.org>
Run-TryBot: Carlos Amedee <carlos@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Alexander Rakoczy <alex@golang.org>
diff --git a/cmd/coordinator/deployment-prod.yaml b/cmd/coordinator/deployment-prod.yaml
index a54914e..7c4865c 100644
--- a/cmd/coordinator/deployment-prod.yaml
+++ b/cmd/coordinator/deployment-prod.yaml
@@ -58,6 +58,24 @@
 kind: Service
 metadata:
   namespace: prod
+  name: coordinator-internal-iap
+  annotations:
+    beta.cloud.google.com/backend-config: '{"default": "build-ingress-iap-backend"}'
+    cloud.google.com/neg: '{"ingress": false}'
+    cloud.google.com/app-protocols: '{"https":"HTTP2"}'
+spec:
+  ports:
+    - port: 444
+      targetPort: 444
+      name: https
+  selector:
+    app: coordinator
+  type: NodePort
+---
+apiVersion: v1
+kind: Service
+metadata:
+  namespace: prod
   name: coordinator-internal
   annotations:
     cloud.google.com/neg: '{"ingress": false}'
diff --git a/deploy/build-ingress.yaml b/deploy/build-ingress.yaml
index 7e92234..fefa51b 100644
--- a/deploy/build-ingress.yaml
+++ b/deploy/build-ingress.yaml
@@ -45,6 +45,20 @@
             port:
               number: 444
       - pathType: ImplementationSpecific
+        path: /protos.GomoteService/*
+        backend:
+          service:
+            name: coordinator-internal-iap
+            port:
+              number: 444
+      - pathType: ImplementationSpecific
+        path: /protos.Coordinator/*
+        backend:
+          service:
+            name: coordinator-internal-iap
+            port:
+              number: 444
+      - pathType: ImplementationSpecific
         path: /*
         backend:
           service: