build: enable TSLint on the packages folder

packages/forms/src/directives/default_value_accessor.ts

@@ -83,14 +83,17 @@ export class DefaultValueAccessor implements ControlValueAccessor {
     this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);
   }
 
+  /** @internal */
   _handleInput(value: any): void {
     if (!this._compositionMode || (this._compositionMode && !this._composing)) {
       this.onChange(value);
     }
   }
 
+  /** @internal */
   _compositionStart(): void { this._composing = true; }
 
+  /** @internal */
   _compositionEnd(value: any): void {
     this._composing = false;
     this._compositionMode && this.onChange(value);

packages/forms/test/form_group_spec.ts

@@ -41,7 +41,7 @@ export function main() {
     return e;
   }
 
-  function otherObservableValidator() { return of ({'other': true}) }
+  function otherObservableValidator() { return of ({'other': true}); }
 
   describe('FormGroup', () => {
     describe('value', () => {

packages/forms/test/reactive_integration_spec.ts

@@ -1116,7 +1116,7 @@ export function main() {
 
            tick(100);
            expect(resultArr.length)
-               .toEqual(2, `Expected original observable to be canceled on the next value change.`)
+               .toEqual(2, `Expected original observable to be canceled on the next value change.`);
          }));
 
 

packages/forms/test/value_accessor_integration_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 {Component, Directive, EventEmitter, Input, Output, Type} from '@angular/core';
 import {ComponentFixture, TestBed, async, fakeAsync, tick} from '@angular/core/testing';
 import {AbstractControl, ControlValueAccessor, FormControl, FormGroup, FormsModule, NG_VALIDATORS, NG_VALUE_ACCESSOR, NgControl, NgForm, ReactiveFormsModule, Validators} from '@angular/forms';