[dynamo][Mutation Detector] Does not work with torch.inference_mode

[anijain2305]

Repro

import torch
import torchdynamo


@torch.inference_mode()
def func(x):
  return x * x


x = torch.randn(4)
opt_func = torchdynamo.optimize("inductor")(func)
opt_func(x)

Error

  File "/scratch/anijain/work/torchdynamo/torchdynamo/symbolic_convert.py", line 1488, in RETURN_VALUE
    self.output.compile_subgraph(self)
  File "/scratch/anijain/work/torchdynamo/torchdynamo/output_graph.py", line 332, in compile_subgraph
    self.compile_and_call_fx_graph(tx, list(reversed(stack_values)), root)
  File "/scratch/anijain/work/torchdynamo/torchdynamo/output_graph.py", line 400, in compile_and_call_fx_graph
    compiled_fn = self.call_user_compiler(gm)
  File "/scratch/anijain/work/torchdynamo/torchdynamo/output_graph.py", line 436, in call_user_compiler
    raise BackendCompilerFailed(self.compiler_fn, e) from e
torchdynamo.exc.BackendCompilerFailed: compile_fx raised RuntimeError: Inference tensors do not track version counter.