am 783f18da: am ee7f46cb: am 3dc3ecda: Merge "Hooks for subclasses to react to home presses." into jb-ub-now-jolly-elf

* commit '783f18da245ea8fad8f8d6d6a83f407a3e3f44b9':
  Hooks for subclasses to react to home presses.