NQE: Add default RTT and throughput observations

net/nqe/network_quality_estimator_test_util.h

Index: net/nqe/network_quality_estimator_test_util.h
diff --git a/net/nqe/network_quality_estimator_test_util.h b/net/nqe/network_quality_estimator_test_util.h
index b71b521e16f03d6bb06926900cc854d95a387213..a59bd78fd6d6db3c76f840b28506e72ca4ef2132 100644
--- a/net/nqe/network_quality_estimator_test_util.h
+++ b/net/nqe/network_quality_estimator_test_util.h
@@ -42,7 +42,8 @@ class TestNetworkQualityEstimator : public NetworkQualityEstimator {
       std::unique_ptr<net::ExternalEstimateProvider> external_estimate_provider,
       const std::map<std::string, std::string>& variation_params,
       bool allow_local_host_requests_for_tests,
-      bool allow_smaller_responses_for_tests);
+      bool allow_smaller_responses_for_tests,
+      bool add_default_platform_observations);
 
   explicit TestNetworkQualityEstimator(
       const std::map<std::string, std::string>& variation_params);