Add conv2d transpose NNAPI converter (#59529)
Summary:
* Conv2d transpose support
* Quantize WIP
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59529
Test Plan: pytest test/test_nnapi.py::TestNNAPI::test_conv2d_transpose
Reviewed By: anshuljain1
Differential Revision: D28926335
fbshipit-source-id: 8f90182f96cee0a13c4f38331d421e1e8ac618de
