am 8a362186: am f1b1eec9: Merge "SipService: mScreenOn is flipped to wrong value." into gingerbread

Merge commit '8a3621866d8a04b0a229eb5765ea9799e68fd90c'

* commit '8a3621866d8a04b0a229eb5765ea9799e68fd90c':
  SipService: mScreenOn is flipped to wrong value.