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

Relates to #9380

modules/@angular/core/src/debug/debug_node.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
+ */
+
 import {Injector} from '../di';
 import {ListWrapper, MapWrapper, Predicate} from '../facade/collection';
 import {isPresent} from '../facade/lang';

modules/@angular/core/src/debug/debug_renderer.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
+ */
+
 import {StringMapWrapper} from '../../src/facade/collection';
 import {AnimationKeyframe} from '../animation/animation_keyframe';
 import {AnimationPlayer} from '../animation/animation_player';