message: fix(aio): fix prod build
  Fixes push to staging.
diff: @@ -17,7 +17,7 @@ import { SidenavComponent } from './sidenav.component';
  selector: 'md-sidenav',
  template: ''
  })
  -export class FakeMdSideNavComponent {
  +class FakeMdSideNavComponent {
  _isOpen = false;
  @Input() opened: boolean;
  @Input() mode: 'side' | 'over';
  @@ -28,7 +28,7 @@ export class FakeMdSideNavComponent {
  selector: 'aio-doc-viewer',
  template: ''
  })
  -export class FakeDocViewerComponent {
  +class FakeDocViewerComponent {
  @Input() doc: Doc;
  }
  