Enable Kathleen Nichols min rtt algorithm with a 1 minute window in

net/quic/congestion_control/rtt_stats.cc

Index: net/quic/congestion_control/rtt_stats.cc
diff --git a/net/quic/congestion_control/rtt_stats.cc b/net/quic/congestion_control/rtt_stats.cc
index 3225d9f3afc2b0817d23623773ae1aa8e2b93c11..e70d2d9588496def6bdf2b726480188482a4a4d5 100644
--- a/net/quic/congestion_control/rtt_stats.cc
+++ b/net/quic/congestion_control/rtt_stats.cc
@@ -83,7 +83,7 @@ void RttStats::UpdateRtt(QuicTime::Delta send_delta,
         kBeta * std::abs(smoothed_rtt_.Subtract(rtt_sample).ToMicroseconds()));
     smoothed_rtt_ = smoothed_rtt_.Multiply(kOneMinusAlpha).Add(
         rtt_sample.Multiply(kAlpha));
-    DVLOG(1) << "Cubic; smoothed_rtt(us):" << smoothed_rtt_.ToMicroseconds()
+    DVLOG(1) << " smoothed_rtt(us):" << smoothed_rtt_.ToMicroseconds()
              << " mean_deviation(us):" << mean_deviation_.ToMicroseconds();
   }
 }