fix maxpool2d for XLA dynamo tracing (#4276)
* fix maxpool2d for XLA dynamo tracing
* add torch pin
* fix
* fix torch pin
* fix torch pin again
* fixes
* fix 3
* fix custom ops
* fix
* remove meta funcs, fix build
* linter
Co-authored-by: Brian Hirsh <bdhirsh@gmail.com>
Co-authored-by: JackCaoG <jackcao@google.com>
