Fix non-reliable messages in live plotter

When improving reliability of the plotter, I had added flow-control for
reliable messages. Unfortunately, this also meant that if you opened the
plot too long after the queues started, it would spend the entire time
thinking it was being flow-controlled.

Change-Id: Ib453356fc593f20afba6b8561b5e97c93ad8c934
Signed-off-by: James Kuszmaul <jabukuszmaul+collab@gmail.com>
diff --git a/aos/network/web_proxy.cc b/aos/network/web_proxy.cc
index 6d4f23f..30707b2 100644
--- a/aos/network/web_proxy.cc
+++ b/aos/network/web_proxy.cc
@@ -377,6 +377,7 @@
     return;
   }
   channel->current_queue_index = message_buffer_.back().index;
+  channel->reported_queue_index = message_buffer_.back().index;
   channel->next_packet_number = 0;
 }