am 89a7180a: Merge "SipService: ignore connect event for non-active networks." into gingerbread

Merge commit '89a7180a242043a0b4d6695bf386c93365bf6797' into gingerbread-plus-aosp

* commit '89a7180a242043a0b4d6695bf386c93365bf6797':
  SipService: ignore connect event for non-active networks.