Merge "Notify SipSessions before closing SIP stack." into gingerbread

Author: Hung-ying Tyan

voip/java/com/android/server/sip/SipSessionGroup.java

@@ -190,6 +190,7 @@ private String getStackName() {
 
     public synchronized void close() {
         Log.d(TAG, " close stack for " + mLocalProfile.getUriString());
+        onConnectivityChanged();
         mSessionMap.clear();
         closeToNotReceiveCalls();
         if (mSipStack != null) {