Java 禁用Android前台通知LED灯

如何使前台通知上的LED停止闪烁？它是一个橙色的LED，当我关闭屏幕时会闪烁。我不介意通知全天候亮起，但LED不会停止闪烁。这是我的通知：

Notification notification = new NotificationCompat.Builder(this, SERVICE_CHANNEL_ID)
        .setContentTitle("MyService")
        .setContentText(input)
        .setDefaults(0)
        .setSmallIcon(R.drawable.ic_launcher_foreground)
        .setContentIntent(pendingIntent)
        .build();

Notification notification = new NotificationCompat.Builder(this, SERVICE_CHANNEL_ID)
        .setContentTitle("MyService")
        .setContentText(input)
        .setDefaults(0)
        .setSmallIcon(R.drawable.ic_launcher_foreground)
        .setContentIntent(pendingIntent)
        .build();

startForeground(1, notification);

这是我的通知频道：

NotificationChannel serviceChannel = new NotificationChannel(
SERVICE_CHANNEL_ID,
"Service Notification Channel",
NotificationManager.IMPORTANCE_NONE
);

我在安卓9上运行三星S8，API级别26