am 5b7328f2: Merge "docs: add more info about state list drawable and onclick attribute to Button bug:1062898" into froyo

Merge commit '5b7328f257a76ff6b7b60872d6a106002ff1f679' into gingerbread

* commit '5b7328f257a76ff6b7b60872d6a106002ff1f679':
  docs: add more info about state list drawable and onclick attribute to Button