PR #22258: [GPU][NFC] Avoid always printing complete PGLE profiles.

Imported from GitHub PR #22258

Copybara import of the project:

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0253526 by Ilia Sergachev <[email protected]>:

[GPU][NFC] Avoid always printing complete PGLE profiles.

Merging this change closes #22258

FUTURE_COPYBARA_INTEGRATE_REVIEW=#22258 from openxla:schedule_vlog 0253526
PiperOrigin-RevId: 723269147

Author: sergachev

xla/service/gpu/gpu_hlo_schedule.cc

@@ -502,7 +502,7 @@ std::unique_ptr<LatencyEstimator> GetLatencyEstimator(
         config, std::move(gpu_latency_estimator), profile.value(),
         std::move(aggregator));
     LOG(INFO) << "Found profile, using profile guided latency estimator";
-    LOG(INFO) << "Profile:\n" << profile->DebugString();
+    VLOG(1) << "Profile:\n" << profile->DebugString();
     return pg_latency_estimator;
   }