Show typeahead hint for app results

Preview: https://drive.google.com/file/d/1_qB-HDVfqqzPOhnuq5Hj9grhh69av7xf/view

Bug: 180545101
Test: Manual
Change-Id: I0649fa0e19f850fdc4de3776f6ac9f450bb0501b
1 file changed