am c231e43b: am 81ce77ac: am f8bbd34d: Make home send tap commands to live wallpaper.

Merge commit 'c231e43b1e075a06059b07b49cb3f088b037139d'

* commit 'c231e43b1e075a06059b07b49cb3f088b037139d':
  Make home send tap commands to live wallpaper.