Merge changes from topic "am-0b3e8005-2f86-464c-a098-80fe1bc17072" into ub-launcher3-master

* changes:
  [automerger] Enable accessibility of Clear All button. am: a3e48d8035 am: 6ad288f99b
  [automerger] Enable accessibility of Clear All button. am: a3e48d8035
  Enable accessibility of Clear All button.