NetworkQualityEstimator: Enable prefs writing by default

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 d5b7c1035b6637a0b1b282902e288f9ce676e6fe..8e5845eb7c86eb55df9828e2c4612aa03c737f96 100644
--- a/net/nqe/network_quality_estimator_params.cc
+++ b/net/nqe/network_quality_estimator_params.cc
@@ -330,7 +330,7 @@ double correlation_uma_logging_probability(
     const std::map<std::string, std::string>& variation_params) {
   double correlation_uma_logging_probability =
       GetDoubleValueForVariationParamWithDefaultValue(
-          variation_params, "correlation_logging_probability", 0.0);
+          variation_params, "correlation_logging_probability", 0.01);
   DCHECK_LE(0.0, correlation_uma_logging_probability);
   DCHECK_GE(1.0, correlation_uma_logging_probability);
   return correlation_uma_logging_probability;