message: Update stale comment
diff: @@ -43,7 +43,7 @@ void _HostConstantOp::Compute(OpKernelContext* ctx) {
  ctx->set_output(0, tensor_);
  }
  -// A special GPU kernel for int32.
  +// A special DEVICE_DEFAULT kernel for int32.
  // TODO(b/25387198): Also enable int32 in device memory. This kernel
  // registration requires all int32 inputs and outputs to be in host memory.
  REGISTER_KERNEL_BUILDER(Name("Const")
  