Update the Angular/DI tests to latest from github.

third_party/pkg/angular/lib/mock/module.dart

Index: third_party/pkg/angular/lib/mock/module.dart
diff --git a/third_party/pkg/angular/lib/mock/module.dart b/third_party/pkg/angular/lib/mock/module.dart
index 8841df55d1d72bcf9c72973fb69c2fe828f332f1..92b7386a64631bcdd3761c6ea05b9b604f17255f 100644
--- a/third_party/pkg/angular/lib/mock/module.dart
+++ b/third_party/pkg/angular/lib/mock/module.dart
@@ -43,9 +43,8 @@ class AngularMockModule extends Module {
     type(MockHttpBackend);
     factory(HttpBackend, (Injector i) => i.get(MockHttpBackend));
     factory(NgZone, (_) {
-      NgZone zone = new NgZone();
-      zone.onError = (dynamic e, dynamic s, LongStackTrace ls) => dump('EXCEPTION: $e\n$s\n$ls');
-      return zone;
+      return new NgZone()
+        ..onError = (e, s, LongStackTrace ls) => dump('EXCEPTION: $e\n$s\n$ls');
     });
     type(Window, implementedBy: MockWindow);
   }