playground: Make playground build new proxy.

Change-Id: Ib4b308bd1c8a15d7c430a739cb49bb7351c8b4b9
diff --git a/go/src/v.io/x/playground/Makefile b/go/src/v.io/x/playground/Makefile
index 1a2bbb2..a943a7e 100644
--- a/go/src/v.io/x/playground/Makefile
+++ b/go/src/v.io/x/playground/Makefile
@@ -18,7 +18,7 @@
 	jiri go install v.io/x/ref/cmd/principal
 	jiri go install v.io/x/ref/services/identity/identityd
 	jiri go install v.io/x/ref/services/mounttable/mounttabled
-	jiri go install v.io/x/ref/services/proxy/proxyd
+	jiri go install v.io/x/ref/services/xproxy/xproxyd
 
 .PHONY: builder
 builder: builder-deps
diff --git a/go/src/v.io/x/playground/builder/builder_v23_test.go b/go/src/v.io/x/playground/builder/builder_v23_test.go
index e0fafdb..28fe50c 100644
--- a/go/src/v.io/x/playground/builder/builder_v23_test.go
+++ b/go/src/v.io/x/playground/builder/builder_v23_test.go
@@ -42,7 +42,7 @@
 	i.BuildGoPkg("v.io/x/ref/cmd/principal")
 	i.BuildGoPkg("v.io/x/ref/cmd/vdl")
 	i.BuildGoPkg("v.io/x/ref/services/mounttable/mounttabled")
-	i.BuildGoPkg("v.io/x/ref/services/proxy/proxyd")
+	i.BuildGoPkg("v.io/x/ref/services/xproxy/xproxyd")
 
 	playgroundRoot = filepath.Join(vanadiumRoot, "release", "projects", "playground")
 
diff --git a/go/src/v.io/x/playground/builder/services.go b/go/src/v.io/x/playground/builder/services.go
index 156d7a1..b8be6a5 100644
--- a/go/src/v.io/x/playground/builder/services.go
+++ b/go/src/v.io/x/playground/builder/services.go
@@ -53,7 +53,7 @@
 // entire environment.
 func startProxy(timeLimit time.Duration) (proc *os.Process, err error) {
 	cmd := makeServiceCmd(
-		"proxyd",
+		"xproxyd",
 		"-log_dir=/tmp/logs",
 		"-name="+proxyName,
 		"-access-list", fmt.Sprintf("{\"In\":[\"%v\"]}", identityProvider),