#### What is the expected behavior? The shadow/highlight when turning the toggle either on or off should disappear after setting the toggle. #### What is the current behavior? The shadow/highlight stays after setting the toggle. #### What are the steps to reproduce? The bug is also present here (version 7.1.1) --> https://material.angular.io/components/slide-toggle/overview #### Which versions of Angular, Material, OS, TypeScript, browsers are affected? Angular 7.1.1 Material 7.1.0