Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/test/io/test_files/routing.dart

-library test_files.main;
-
-import 'package:angular/core/annotation_src.dart';
-import 'package:angular/routing/module.dart';
-import 'package:di/di.dart';
-
-@Decorator(
-    selector:'[ng-if]',
-    map: const {'.': '=>ngIfCondition'})
-class NgIfDirective {
-  bool ngIfCondition;
-}
-
-main() {
-  var barRoute = ngRoute(
-      path: '/bar',
-      viewHtml: '<div ng-if="bar"></div>');
-  var module = new Module()
-      ..value(RouteInitializerFn, (router, views) {
-        views.configure({
-          'foo': ngRoute(
-              path: '/foo',
-              viewHtml: '<div ng-if="foo"></div>'),
-          'bar': barRoute,
-        });
-      });
-}