Update all Angular libs (run update_all.sh).

third_party/pkg/di/lib/annotations.dart

Index: third_party/pkg/di/lib/annotations.dart
diff --git a/third_party/pkg/di/lib/annotations.dart b/third_party/pkg/di/lib/annotations.dart
index 0f77b3bc583c9c3a4b734fe1416005e08f5bae44..539c43f6fee3fdb76c97783fe60e8f7739538ea5 100644
--- a/third_party/pkg/di/lib/annotations.dart
+++ b/third_party/pkg/di/lib/annotations.dart
@@ -8,4 +8,12 @@ library di.annotations;
 class Injectables {
   final List<Type> types;
   const Injectables(this.types);
-}
+}
+
+/**
+ * Annotation that can be applied to a class for which type factories
+ * should be generated to be used by StaticInjector.
+ */
+class Injectable {
+  const Injectable();
+}