[Static Runtime] Add out variant of quantized::embedding_bag_byte_prepack (#64081)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64081
This change add an out variant of `quantized::embedding_bag_byte_prepack`.
Test Plan:
- Added `ShapeInferenceTest.QEmbeddingBagByteUnpack`.
- Observed
```
V0824 13:38:49.723708 1322143 impl.cpp:1394] Switch to out variant for node: %2 : Tensor = quantized::embedding_bag_byte_prepack(%input)
```
Reviewed By: hlu1
Differential Revision: D30504216
fbshipit-source-id: 1d9d428e77a15bcc7da373d65e7ffabaf9c6caf2
