Fix bug: 443369 - Some connection status is not set appropriately

the 'disconnected' and 'isConnecting' initialized status is not set correctly.

bug:443369
Change-Id: I679eea16cff53fbb9f59b72c57686358c56b94c7
Signed-off-by: tzihan <zhtang@cn.ibm.com>

Author: tzihan

org.eclipse.paho.android.service/org.eclipse.paho.android.service/src/org/eclipse/paho/android/service/MqttConnection.java

@@ -118,7 +118,7 @@ public void setClientHandle(String clientHandle) {
 	// our (parent) service object
 	private MqttService service = null;
 
-	private volatile boolean disconnected = false;
+	private volatile boolean disconnected = true;
 	private boolean cleanSession = true;
 
 	// Indicate this connection is connecting or not.