[quant][graphmode][fx] Add test for ResnetBase (#48939)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48939
Add numerical test for fx graph mode for resnet base, comparing with eager mode
Test Plan: Imported from OSS
Reviewed By: supriyar
Differential Revision: D25375342
fbshipit-source-id: 08f49b88daede47d44ee2ea96a02999fea246cb2
