test(material/timepicker): add timepicker to SSR test app (#30859)

Adds the timepicker to the SSR test app so we can verify that it'll work.

(cherry picked from commit bff8a38)

Author: crisbeto

src/universal-app/kitchen-sink/kitchen-sink.html

@@ -110,6 +110,14 @@ <h3>Disabled datepicker</h3>
   <mat-datepicker #departureDate></mat-datepicker>
 </mat-form-field>
 
+<h2>Timepicker</h2>
+<mat-form-field>
+  <mat-label>Pick a time</mat-label>
+  <input matInput [matTimepicker]="timePicker">
+  <mat-timepicker #timePicker/>
+  <mat-timepicker-toggle [for]="timePicker" matSuffix/>
+</mat-form-field>
+
 <h2>Dialog</h2>
 <button mat-raised-button (click)="openDialog()">Open dialog</button>
 

src/universal-app/kitchen-sink/kitchen-sink.ts

@@ -56,6 +56,7 @@ import {MatSortModule} from '@angular/material/sort';
 import {MatStepperModule} from '@angular/material/stepper';
 import {MatTableModule} from '@angular/material/table';
 import {MatTabsModule} from '@angular/material/tabs';
+import {MatTimepickerModule} from '@angular/material/timepicker';
 import {MatToolbarModule} from '@angular/material/toolbar';
 import {MatTooltipModule} from '@angular/material/tooltip';
 import {YouTubePlayer} from '@angular/youtube-player';
@@ -177,6 +178,7 @@ export class TestEntryComponent {}
     MatTableModule,
     MatStepperModule,
     ScrollingModule,
+    MatTimepickerModule,
     ExperimentalScrollingModule,
 
     // CDK Modules