Migrate xnnpack/vulkan/boltnn pt2e from torch.ao to torchao (#2302)

Summary:

X-link: pytorch/executorch#11363

Reviewed By: jerryzh168

Differential Revision: D75492104

Author: metascroy

torchao/quantization/pt2e/__init__.py

@@ -39,6 +39,8 @@
     FusedMovingAvgObsFakeQuantize,
     default_dynamic_fake_quant,
     default_fake_quant,
+    disable_fake_quant,
+    disable_observer,
     enable_fake_quant,
     enable_observer,
 )
@@ -114,6 +116,8 @@
     # utils
     "enable_fake_quant",
     "enable_observer",
+    "disable_fake_quant",
+    "disable_observer",
     # export_utils
     "move_exported_model_to_eval",
     "move_exported_model_to_train",

torchao/testing/pt2e/utils.py

@@ -78,6 +78,7 @@ def _test_quantizer(
             m,
             example_inputs,
             dynamic_shapes=dynamic_shapes if export_with_dynamic_shape else None,
+            strict=True,
         ).module()
 
         if is_qat: