[dynamo] Fix list contains check (#95092)
Original issue was something like:
```
def func(x):
assert x.size(-1) in [4, 5, 6], "bad"
return x + x
```
where the contains check is comparing a symint (x.size(-1)) with other integers.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/95092
Approved by: https://github.com/voznesenskym, https://github.com/yanboliang
