message: Let Tensorlist pass recognize all types of integers (signed/unsigned/signless).
diff: @@ -332,9 +332,8 @@ struct ConvertTensorListInitOp : public OpConversionPattern<OpT> {
  ConversionPatternRewriter &rewriter) const override {
  Type dtype = op.element_dtype();
  if (!(dtype.isF16() || dtype.isF32() || dtype.isF64() ||
  - dtype.isInteger(1) || dtype.isSignlessInteger(8) ||
  - dtype.isSignlessInteger(16) || dtype.isSignlessInteger(32) ||
  - dtype.isSignlessInteger(64))) {
  + dtype.isInteger(1) || dtype.isInteger(8) || dtype.isInteger(16) ||
  + dtype.isInteger(32) || dtype.isInteger(64))) {
  op.emitError(
  "requires element_dtype to be 1-bit/8-bit/16-bit/32-bit/64-bit "
  "integer or 16-bit/32-bit/64-bit float type during TF Lite "
  