[Gpr_To_Absl_Logging] Removing gRPC experiments log noise (#37303)

[Gpr_To_Absl_Logging] Removing gRPC experiments log noise

Closes #37303

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/37303 from tanvi-jagtap:fixing_experiment_log_master 995412d042
PiperOrigin-RevId: 655501817

src/core/lib/experiments/config.cc

@@ -254,20 +254,20 @@ void PrintExperimentsList() {
   }
   if (experiment_status.empty()) {
     if (!defaulted_on_experiments.empty()) {
-      LOG(INFO) << "gRPC experiments enabled: "
-                << absl::StrJoin(defaulted_on_experiments, ", ");
+      VLOG(2) << "gRPC experiments enabled: "
+              << absl::StrJoin(defaulted_on_experiments, ", ");
     }
   } else {
     if (defaulted_on_experiments.empty()) {
-      LOG(INFO) << "gRPC experiments: "
-                << absl::StrJoin(experiment_status, ", ",
-                                 absl::PairFormatter(":"));
+      VLOG(2) << "gRPC experiments: "
+              << absl::StrJoin(experiment_status, ", ",
+                               absl::PairFormatter(":"));
     } else {
-      LOG(INFO) << "gRPC experiments: "
-                << absl::StrJoin(experiment_status, ", ",
-                                 absl::PairFormatter(":"))
-                << "; default-enabled: "
-                << absl::StrJoin(defaulted_on_experiments, ", ");
+      VLOG(2) << "gRPC experiments: "
+              << absl::StrJoin(experiment_status, ", ",
+                               absl::PairFormatter(":"))
+              << "; default-enabled: "
+              << absl::StrJoin(defaulted_on_experiments, ", ");
     }
   }
 }

test/core/end2end/tests/no_logging.cc

@@ -95,7 +95,6 @@ class VerifyLogNoiseLogSink : public absl::LogSink {
             {{"cq_verifier.cc", std::regex("^Verify .* for [0-9]+ms")},
              {"chttp2_transport.cc",
               std::regex("Sending goaway.*Channel Destroyed")},
-             {"config.cc", std::regex("gRPC experiments.*")},
              {"chaotic_good_server.cc",
               std::regex("Failed to bind some addresses for.*")},
              {"log.cc",