Fix UntypedStorage pin error (pytorch#104355)

Summary:
Pull Request resolved: pytorch#104355

Fixes:
```
TypeError: cannot pin 'torch.storage.UntypedStorage' only CPU memory can be pinned
```

Test Plan: Sandcastle

Differential Revision: D47093797

fbshipit-source-id: 54ace8fad4aecf5055f1448bba309ded7517791a

test/test_torch.py

@@ -347,7 +347,7 @@ def test_storage_meta_errors(self, device, dtype):
             with self.assertRaisesRegex(RuntimeError, r'only available on CUDA'):
                 s0._share_cuda_()
 
-            with self.assertRaisesRegex(NotImplementedError, r'Cannot copy out'):
+            with self.assertRaisesRegex(TypeError, r"cannot pin 'torch.storage.UntypedStorage' only CPU memory can be pinned"):
                 s0.pin_memory()
 
         with self.assertRaisesRegex(RuntimeError, r'only available on CPU'):