Update the Angular/DI tests to latest from github.

third_party/pkg/angular/demo/helloworld/web/helloworld.dart

 import 'package:angular/angular.dart';
 
 // This annotation allows Dart to shake away any classes
 // not used from Dart code nor listed in another @MirrorsUsed.
 //
 // If you create classes that are referenced from the Angular
 // expressions, you must include a library target in @MirrorsUsed.
 @MirrorsUsed(override: '*')
 import 'dart:mirrors';
 
+@NgController(
+    selector: '[hello-world-controller]',
+    publishAs: 'ctrl')
+class HelloWorldController {
+  String name = "world";
+}
+
 main() {
-  ngBootstrap();
+  ngBootstrap(module: new Module()..type(HelloWorldController));
 }