message: [XLA/TF] Generate less log spam for auto-clustering
  This line accounts for >90% of logs for large workloads at logging level 2.
diff: @@ -259,7 +259,7 @@ Status XlaCompilationCache::CompileImpl(
  if (VLOG_IS_ON(2)) {
  VLOG(2) << "num_inputs=" << args.size();
  for (int i = 0; i < args.size(); i++) {
  - VLOG(2) << i << ": " << args[i].HumanString();
  + VLOG(3) << i << ": " << args[i].HumanString();
  }
  }
  