Throttle Socket watcher RTT notifications from QUIC

net/nqe/network_quality_estimator_params.cc

Index: net/nqe/network_quality_estimator_params.cc
diff --git a/net/nqe/network_quality_estimator_params.cc b/net/nqe/network_quality_estimator_params.cc
index 8a76bdde4eeb3bc34193b168d76d2aba5b146368..63ace6323fd4c2b53bbda41150935605be5af193 100644
--- a/net/nqe/network_quality_estimator_params.cc
+++ b/net/nqe/network_quality_estimator_params.cc
@@ -379,6 +379,13 @@ bool persistent_cache_reading_enabled(
   return true;
 }
 
+base::TimeDelta GetMinSocketWatcherNotificationInterval(
+    const std::map<std::string, std::string>& variation_params) {
+  // Use 1000 milliseconds as the default value.
+  return base::TimeDelta::FromMilliseconds(GetValueForVariationParam(
+      variation_params, "min_socket_watcher_notification_interval_msec", 1000));
+}
+
 }  // namespace internal
 
 }  // namespace nqe