am b9605886: Merge "Revert "Revert "Move SIP telephony related codes to framework.""" into gingerbread

Merge commit 'b9605886d1a94de624b6feb5a81bb37f41653437' into gingerbread-plus-aosp

* commit 'b9605886d1a94de624b6feb5a81bb37f41653437':
  Revert "Revert "Move SIP telephony related codes to framework.""