Add support for list copy in dynamo export (#100669)
Summary:
Issue:
`torch._dynamo.exc.Unsupported: call_method ListVariable() copy [] {}`
Fix:
Add `copy()` to "method_call" to _dynamo/variables/lists.py
Take it over from #98184. To unblock a meta internal model onboarding to ExecuTorch.
Differential Revision: D45592416
Pull Request resolved: https://github.com/pytorch/pytorch/pull/100669
Approved by: https://github.com/jansel
