Fixed download service notification not being updated to 'Stopping service'

core/src/main/java/de/danoeh/antennapod/core/service/download/DownloadService.java

@@ -643,8 +643,10 @@ public class DownloadService extends Service {
         if (notificationUpdater != null) {
             notificationUpdater.run();
         }
+        handler.post(() -> {
             cancelNotificationUpdater();
             stopForeground(true);
             stopSelf();
+        });
     }
 }