Ensure onCreate calls through to super.onCreate().

Summary:
Quick Start docs create an activity that does not call through to
super.onCreate and causes the sample Hello World app to crash.

https://github.com/facebook/buck/pull/53

Test Plan: http://localhost:9811/setup/manual_quick_start.html

docs/setup/manual_quick_start.soy

diff --git a/docs/setup/manual_quick_start.soy b/docs/setup/manual_quick_start.soy
index 94d06a6..ce06b3e 100644
--- a/docs/setup/manual_quick_start.soy
+++ b/docs/setup/manual_quick_start.soy
@@ -86,7 +86,7 @@
   
   @Override
   public void onCreate(Bundle savedInstanceState) {
-
+    super.onCreate(savedInstanceState);
   }
 }" > java/com/example/activity/MyFirstActivity.java
 </pre>{/literal}