Add more debugging to the message bridge test

I'm seeing fewer flakes, but am still seeing flakes.  Up the debugging
to see how close we are actually getting and on which iterations.

Change-Id: I68df66e1632b263ce80c9d92c7764f1cbf8adbff
diff --git a/aos/network/message_bridge_test.cc b/aos/network/message_bridge_test.cc
index c38a589..7fc5c1f 100644
--- a/aos/network/message_bridge_test.cc
+++ b/aos/network/message_bridge_test.cc
@@ -226,9 +226,13 @@
         // milliseconds on localhost.  This might have to bump up if this is
         // proving flaky.
         EXPECT_LT(chrono::nanoseconds(connection->monotonic_offset()),
-                  chrono::milliseconds(10));
+                  chrono::milliseconds(10))
+            << " " << connection->monotonic_offset()
+            << "ns vs 10000ns on iteration " << pi1_client_statistics_count;
         EXPECT_GT(chrono::nanoseconds(connection->monotonic_offset()),
-                  chrono::microseconds(10));
+                  chrono::microseconds(10))
+            << " " << connection->monotonic_offset()
+            << "ns vs 10000ns on iteration " << pi1_client_statistics_count;
       }
     }
   });