message: Made logging less verbose in step events to step db code path.
diff: @@ -117,7 +117,7 @@ StepDatabaseResult ConvertStepEventsToStepDb(
  // we can't separate them anymore. Simply assigns all events to Core-0.
  (*per_core_step_info.mutable_step_info_per_core())[0] =
  std::move(step_info);
  - LOG(INFO) << std::endl
  + VLOG(2) << std::endl
  << "step_id: " << step << ", step_info:" << std::endl
  << DebugStepInfo(
  (*per_core_step_info.mutable_step_info_per_core())[0]);
  