Update all Angular libs (run update_all.sh).

third_party/pkg/angular/example/web/hello_world.dart

+import 'package:angular/angular.dart';
+import 'package:angular/application_factory.dart';
+
+@Controller(
+    selector: '[hello-world-controller]',
+    publishAs: 'ctrl')
+class HelloWorld {
+  String name = "world";
+}
+
+main() {
+  applicationFactory()
+      .addModule(new Module()..type(HelloWorld))
+      .run();
+}