Added notification icon and make notification readable.

app/src/main/java/com/vsoft/servicenow/service/NotificationMessagingService.java

@@ -158,13 +158,15 @@ public class NotificationMessagingService extends FirebaseMessagingService {
 
 		Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
 
+		String message = "Status: " + notification.getPriority() + "\n" + notification.getShortDescription();
 		NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, CHANNEL_ID)
 				.setSmallIcon(R.drawable.notification_icon)
 				.setContentTitle(notification.getTitle())
-				.setContentText(notification.getShortDescription() +"\n" + "Status: "+notification.getPriority())
+				.setContentText(message)
 				.setAutoCancel(true)
 //				.setContentIntent(null)
 				.setChannelId(CHANNEL_ID)
+				.setStyle(new NotificationCompat.BigTextStyle().bigText(message))
 				.setSound(defaultSoundUri);
 
 		NotificationManager notificationManager =