Solved serialization error with stale torch version

[cehongwang]

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[apbose]

tests/py/dynamo/models/test_cross_runtime_serde.py still fails (all 3: test_save_cpp_load_python, test_save_python_load_python, test_save_python_load_cpp) on every platform where it runs .
PytorchStreamReader failed locating file constants.pkl: file not found failed while attempting to run meta for aten.set_.source_Storage. For python only path the engine still remains an opaque object. Should we disable these tests for the stale torch version?