message: Fix tx/rx order for android RPC
diff: @@ -151,7 +151,8 @@ async fn flow_report_task(context: SharedContext) -> io::Result<()> {
  let tx = flow_stat.tcp().tx() + flow_stat.udp().tx();
  let rx = flow_stat.tcp().rx() + flow_stat.udp().rx();
  - let buf: [u64; 2] = [tx, rx];
  + // first is rx, second is tx.
  + let buf: [u64; 2] = [rx, tx];
  let buf = unsafe { slice::from_raw_parts(buf.as_ptr() as *const _, 16) };
  match time::timeout(timeout, stream.write_all(buf)).await {
  