Highlight text filters when non-empty. Screencast: https://screencast.googleplex.com/cast/NTQ4MjUyNjkyMjUwNjI0MHw5NWI5OWQ0ZC03OA Fixes: 372623344 Test: npm run test:unit:ci Change-Id: Iae2702a4b5ec1ac705c4c9f62e4c470e551bbf9e