[autoparallel] Patch meta information of torch.nn.LayerNorm

[Cypher30]

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Resolved #2632

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In this PR, I patch the meta information of torch.nn.LayerNorm, and I add a function in utils.py under the tests/test_auto_parallel/test_tensor_shard/test_metainfo directory for meta information test.

TODO: we could refactor tests under test_metainfo in the future, as we have meta information patches for communication nodes, there is no need to test meta information patches with clumsy SPMD solver codes. I also move all the tests concerning meta information patches of normalization into test_norm_metainfo.py.

The test will be skipped if PyTorch version is lower than 1.12.0, here is a snapshot of test results on PyTorch 1.12.0

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[github-actions]

The code coverage for the changed files is 27%.

Click me to view the complete report

Name                                                                               Stmts   Miss  Cover
------------------------------------------------------------------------------------------------------
colossalai/auto_parallel/meta_profiler/meta_registry/norm.py                          57     43    25%
tests/test_auto_parallel/test_tensor_shard/test_metainfo/test_matmul_metainfo.py      48     28    42%
tests/test_auto_parallel/test_tensor_shard/test_metainfo/test_norm_metainfo.py        68     44    35%
tests/test_auto_parallel/test_tensor_shard/test_metainfo/utils.py                     89     75    16%
------------------------------------------------------------------------------------------------------
TOTAL                                                                                262    190    27%

[github-actions]

The code coverage for the changed files is 29%.

Click me to view the complete report

Name                                                                               Stmts   Miss  Cover
------------------------------------------------------------------------------------------------------
colossalai/auto_parallel/meta_profiler/meta_registry/norm.py                          57     43    25%
colossalai/auto_parallel/tensor_shard/node_handler/layer_norm_handler.py              23     12    48%
tests/test_auto_parallel/test_tensor_shard/test_metainfo/test_matmul_metainfo.py      48     28    42%
tests/test_auto_parallel/test_tensor_shard/test_metainfo/test_norm_metainfo.py        68     44    35%
tests/test_auto_parallel/test_tensor_shard/test_metainfo/utils.py                     89     75    16%
------------------------------------------------------------------------------------------------------
TOTAL                                                                                285    202    29%