test(ivy): enable ivy tests for platform-browser/animations (#27478)

PR Close #27478

packages/platform-browser/animations/src/private_export.ts

@@ -7,3 +7,4 @@
  */
 export {BrowserAnimationBuilder as ɵBrowserAnimationBuilder, BrowserAnimationFactory as ɵBrowserAnimationFactory} from './animation_builder';
 export {AnimationRenderer as ɵAnimationRenderer, AnimationRendererFactory as ɵAnimationRendererFactory} from './animation_renderer';
+export {InjectableAnimationEngine as ɵInjectableAnimationEngine} from './providers';