chore: add license to demo-app (#8440)

Author: jelbourn

src/demo-app/a11y/a11y-module.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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 {NgModule} from '@angular/core';
 import {CommonModule} from '@angular/common';
 import {FormsModule, ReactiveFormsModule} from '@angular/forms';

src/demo-app/a11y/a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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, ElementRef, OnDestroy, ViewChild, ViewEncapsulation} from '@angular/core';
 import {NavigationEnd, Router} from '@angular/router';
 import {Subscription} from 'rxjs/Subscription';

src/demo-app/a11y/autocomplete/autocomplete-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 
 

src/demo-app/a11y/button-toggle/button-toggle-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 
 

src/demo-app/a11y/button/button-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 import {MatSnackBar} from '@angular/material';
 

src/demo-app/a11y/card/card-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 import {MatSnackBar} from '@angular/material';
 

src/demo-app/a11y/checkbox/checkbox-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 
 export interface Task {

src/demo-app/a11y/chips/chips-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 import {MatChipInputEvent, MatSnackBar} from '@angular/material';
 

src/demo-app/a11y/datepicker/datepicker-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 
 @Component({

src/demo-app/a11y/dialog/dialog-a11y.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC 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} from '@angular/core';
 import {MatDialog} from '@angular/material';