am 68ef7f3c: Merge "Move SipService out of SystemServer to phone process." into gingerbread

Merge commit '68ef7f3c3a8deb0e14b0b6325876b23cecc191b3' into gingerbread-plus-aosp

* commit '68ef7f3c3a8deb0e14b0b6325876b23cecc191b3':
  Move SipService out of SystemServer to phone process.