Fix bug 447031 - Refine Android service sample

Add qos and retained information to history when publish message and receive message.

Bug 447031

Change-Id: I6dc7aa824959d344bb6731ba53821b8eaef7783b
Signed-off-by: tzihan <zhtang@cn.ibm.com>

Author: tzihan

org.eclipse.paho.android.service/org.eclipse.paho.android.service.sample/src/org/eclipse/paho/android/service/sample/Listener.java

@@ -240,7 +240,7 @@ private void publish()
 
     String[] args = new String[2];
     args[0] = message;
-    args[1] = topic;
+    args[1] = topic+";qos:"+qos+";retained:"+retained;
 
     try {
       Connections.getInstance(context).getConnection(clientHandle).getClient()

org.eclipse.paho.android.service/org.eclipse.paho.android.service.sample/src/org/eclipse/paho/android/service/sample/MqttCallbackHandler.java

@@ -82,7 +82,7 @@ public void messageArrived(String topic, MqttMessage message) throws Exception {
     //create arguments to format message arrived notifcation string
     String[] args = new String[2];
     args[0] = new String(message.getPayload());
-    args[1] = topic;
+    args[1] = topic+";qos:"+message.getQos()+";retained:"+message.isRetained();
 
     //get the string from strings.xml and format
     String messageString = context.getString(R.string.messageRecieved, (Object[]) args);