message: Fix Windows breakage.
  The breakage was caused by
diff: @@ -82,6 +82,7 @@ tensorflow::Device::attributes
  [device_factory] # device_lib, tfe, tf_session
  tensorflow::DeviceFactory::AddDevices
  tensorflow::DeviceFactory::ListAllPhysicalDevices
  +tensorflow::DeviceFactory::GetAnyDeviceDetails
  [session_options] # device_lib, tfe, tf_session
  tensorflow::SessionOptions::SessionOptions
  