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

Relates to #9380

modules/@angular/compiler/test/metadata_resolver_spec.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 {CompilerConfig} from '@angular/compiler/src/config';
 import {AfterContentChecked, AfterContentInit, AfterViewChecked, AfterViewInit, ChangeDetectionStrategy, Component, Directive, DoCheck, Injectable, OnChanges, OnDestroy, OnInit, SimpleChanges, ViewEncapsulation} from '@angular/core';
 import {LIFECYCLE_HOOKS_VALUES} from '@angular/core/src/metadata/lifecycle_hooks';