am 468e35ef: Merge "Move SIP telephony related codes to framework." into gingerbread

Merge commit '468e35efc595114354eff7ee2685ea79ed098c7f' into gingerbread-plus-aosp

* commit '468e35efc595114354eff7ee2685ea79ed098c7f':
  Move SIP telephony related codes to framework.