chore(lint): Added license headers to most TypeScript files

Relates to #9380

modules/types.d.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
 // This file contains all ambient imports needed to compile the modules/ source code
 
 /// <reference path="../node_modules/zone.js/dist/zone.js.d.ts" />