Load JS bundle after CatalystInstance has been attached to the ReactContext

Reviewed By: andreicoman11

Differential Revision: D2550062

fb-gh-sync-id: 05790e8c092c7dd28669ffd48f7d7d2dffd6546e

ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java

@@ -533,6 +533,7 @@ public class ReactInstanceManager {
     }
 
     reactContext.initializeWithInstance(catalystInstance);
+    catalystInstance.runJSBundle();
 
     return reactContext;
   }