Update the Angular/DI tests to latest from github.

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

Index: third_party/pkg/angular/test/io/test_files/main.dart
diff --git a/third_party/pkg/angular/test/io/test_files/main.dart b/third_party/pkg/angular/test/io/test_files/main.dart
index 2a32a4b15c06a6d9d58c3f923d7acb39acf8b289..508fb45a982666e6c9a2192987905980a4d56169 100644
--- a/third_party/pkg/angular/test/io/test_files/main.dart
+++ b/third_party/pkg/angular/test/io/test_files/main.dart
@@ -18,8 +18,7 @@ class NgIfDirective {
     },
     template: '<div>{{ctrl.inline.template.expression}}</div>',
     exportExpressionAttrs: const ['exported-attr'],
-    exportExpressions: const ['exported + expression']
-)
+    exportExpressions: const ['exported + expression'])
 class MyComponent {
   @NgOneWay('another-expression')
   String anotherExpression;
@@ -30,4 +29,12 @@ class MyComponent {
   set twoWayStuff(String abc) {}
   @NgTwoWay('two-way-stuff')
   String get twoWayStuff => null;
-}
+}
+
+class CssUrlsString {
+
+}
+
+class CssUrlsList {
+
+}