Turn on remote_api

Change-Id: I75d170de026b14e11f1b88beb31fd892a37fbbe9
diff --git a/app/app.yaml b/app/app.yaml
index 1e57358..62420a5 100644
--- a/app/app.yaml
+++ b/app/app.yaml
@@ -5,6 +5,7 @@
 
 builtins:
 - appstats: on
+- remote_api: on
 
 handlers:
 - url: /css