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

Merge commit '81ce77aca4b2dd402f9e883d905591588a326a19' into eclair-mr2-plus-aosp

* commit '81ce77aca4b2dd402f9e883d905591588a326a19':
  Make home send tap commands to live wallpaper.