message: Change the message from INFO to WARNING for when we cannot dlopen a shared library.
  This makes it easier to see which libraries are missing.
diff: @@ -43,14 +43,14 @@ port::StatusOr<void*> GetDsoHandle(const string& name, const string& version) {
  return dso_handle;
  }
  - auto message = absl::StrCat("Could not dlopen library '", filename,
  + auto message = absl::StrCat("Could not load dynamic library '", filename,
  "'; dlerror: ", status.error_message());
  #if !defined(PLATFORM_WINDOWS)
  if (const char* ld_library_path = getenv("LD_LIBRARY_PATH")) {
  message += absl::StrCat("; LD_LIBRARY_PATH: ", ld_library_path);
  }
  #endif
  - LOG(INFO) << message;
  + LOG(WARNING) << message;
  return port::Status(port::error::FAILED_PRECONDITION, message);
  }
  } // namespace
  