message: minor typo fix: is_sign -> is_signed
  The parameter is usually named is_signed, and its usages also write it as /*is_signed=*/. Changing this resolves linter warnings.
diff: @@ -485,7 +485,7 @@ ElementsAttr Quantize(Attribute real_value, Type tensor_type);
  // are adjusted to be symmetric if `symmetric` flag is set to True. And
  // `symmetric` can only be set to true when it is signed and narrow_range.
  Type GetUniformQuantizedTypeForWeight(ElementsAttr attr, bool symmetric,
  - unsigned num_bits, bool is_sign,
  + unsigned num_bits, bool is_signed,
  bool narrow_range);
  // Returns the per channel quantized type for an element attribute.
  @@ -494,7 +494,7 @@ Type GetUniformQuantizedTypeForWeight(ElementsAttr attr, bool symmetric,
  // be set to true when it is signed and narrow_range.
  Type GetUniformQuantizedPerAxisTypeForWeight(ElementsAttr attr, int quant_dim,
  bool symmetric, unsigned num_bits,
  - bool is_sign, bool narrow_range);
  + bool is_signed, bool narrow_range);
  // Returns the quantized type of a bias input, given the quantized types of
  // other operands which are multiply-accumulated (the bias is added to the
  