Fix avg_pool2d replace ops pass

Summary: The original pass didn't fetch the user-provided zero point if it existed, it just assumed a hard-coded zero point. Fixed now.

Differential Revision: D83873937

Author: Andrew Grebenisan

backends/cadence/aot/replace_ops.py

@@ -1644,7 +1644,7 @@ def call_operator(self, op, args, kwargs, meta):
         ceil_mode = args[4] if len(args) >= 5 else False
         count_include_pad = args[5] if len(args) >= 6 else True
         divisor_override = args[6] if len(args) >= 7 else None
-        zero_point = torch.tensor(0, dtype=torch.int32)
+        zero_point = args[7] if len(args) >= 8 else None
 
         # If the op is avg_pool1d, then we need to reshape the 3d input to a 4d
         # tensor.