message: Reduce WARNING to INFO on reloading table.
diff: @@ -359,7 +359,7 @@ Status InitializeTableFromTextFile(const string& filename, int64 vocab_size,
  // time.
  Status s = table->Initialize(iter);
  if (errors::IsFailedPrecondition(s) && table->is_initialized()) {
  - LOG(WARNING) << "Table trying to initialize from file " << filename
  + LOG(INFO) << "Table trying to initialize from file " << filename
  << " is already initialized.";
  return Status::OK();
  }
  