onnxruntime

Share the execution provider instance for training (#8719)

* seperate the training python module; share the execution proivder instance

* fix build break

* fix cuda test crash; reorg the python module code base

* se correct env

* use provider customized hash func

* fixbuild break

* fix rocm break

* use const ref in argument

* rename the file

* move hash func to trainiing module