[quant][pt2e] Move annotate functions in XNNPACKQuantizer to utils (#106642)
Summary:
This is to allow sharing these annotate functions by other quantizers so that writing a new quantizer is easier
note that these annotation functions will be maintained by XNNPACKQuantizer developers instead of AO team
Test Plan:
python test/test_quantization.py TestQuantizePT2E
Reviewers:
Subscribers:
Tasks:
Tags:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/106642
Approved by: https://github.com/andrewor14
