Update all Angular libs (run update_all.sh).

third_party/pkg/angular/test/io/test_files/templates/partial.dart

-library test_files.main;
+part of test_files.main;
 
-import 'package:angular/core/module.dart';
-import 'package:angular/tools/template_cache_annotation.dart';
-
-@NgComponent(
+@Component(
     selector: 'my-component',
     templateUrl: '/test/io/test_files/templates/main.html')
 @NgTemplateCache()
 class MyComponent
 {
 }
 
-@NgComponent(
+@Component(
     selector: 'my-component2',
     templateUrl: '/test/io/test_files/templates/dont.html')
 @NgTemplateCache(cache: false)
 class MyComponent2
 {
 }
 
 
-@NgComponent(
+@Component(
     selector: 'my-component3',
     templateUrl: '/test/io/test_files/templates/dont.html')
 @NgTemplateCache(cache: true)
 class MyComponent3
 {
 }