AppRunner: Ping manager periodically

Change-Id: I58d79400acae5fdcd2c0a2bdae234c6303770cbc
diff --git a/apps/app-runner/main.go b/apps/app-runner/main.go
index b560c6c..9c57225 100644
--- a/apps/app-runner/main.go
+++ b/apps/app-runner/main.go
@@ -20,6 +20,7 @@
 
 var port = flag.Int("port", 3000, "Port to listen on")
 var appId = flag.String("app-id", "", "Application ID")
+var service = flag.String("service", "", "Service name")
 var repoAddr = flag.String("repo-addr", "", "Git repository address")
 var branch = flag.String("branch", "", "Name of the branch to process")
 var rootDir = flag.String("root-dir", "/", "Path to the app code")
@@ -115,7 +116,7 @@
 	if err := json.NewDecoder(r).Decode(&cmds); err != nil {
 		panic(err)
 	}
-	s := NewServer(*port, *appId, *repoAddr, *branch, *rootDir, signer, *appDir, cmds, self, *managerAddr)
+	s := NewServer(*port, *appId, *service, *repoAddr, *branch, *rootDir, signer, *appDir, cmds, self, *managerAddr)
 	if err := s.Start(); err != nil {
 		log.Fatal(err)
 	}