message: refactor(devtools): remove experimental label from the timing API
diff: <mat-menu #menu="matMenu" class="options-menu">
  <mat-slide-toggle (change)="toggleTimingAPI($event)" class="menu-toggle-button" (click)="$event.stopPropagation()">
  - Enable timing API (Experimental)
  + Enable timing API
  </mat-slide-toggle>
  <br />
  <br />
  