message: Fix a typo: 'is_filter_const' should be 'is_bias_const'.
diff: @@ -624,7 +624,7 @@ public:
  .Attr("data_format", "NHWC")
  .Attr("strides", {1, stride, stride, 1})
  .Attr("is_filter_const", is_filter_const)
  - .Attr("is_filter_const", true)
  + .Attr("is_bias_const", true)
  .Attr("padding", "VALID")
  .Attr("_kernel", "QuantizedMklOp")
  .Finalize(node_def()));
  