am f3a935f6: am 3bb10442: Merge "Make SipService listen to WIFI state change events." into gingerbread

Merge commit 'f3a935f6aa421110c7b6f36f922223c195f751bc'

* commit 'f3a935f6aa421110c7b6f36f922223c195f751bc':
  Make SipService listen to WIFI state change events.