added notification icons

app/src/main/java/xdsopl/robot36/MainActivity.java

@@ -45,7 +45,7 @@ public class MainActivity extends Activity {
         Intent intent = new Intent(this, MainActivity.class);
         PendingIntent pending = PendingIntent.getActivity(this, 0, intent, 0);
         NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
-            .setSmallIcon(R.drawable.ic_launcher)
+            .setSmallIcon(R.drawable.ic_notification)
             .setContentTitle(getString(R.string.app_name))
             .setContentText(getString(R.string.decoder_running))
             .setContentIntent(pending);