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GH-35511: [C++] Util: add memory_pool in `SwapEndianArrayData` (#36431)



### Rationale for this change

Add memory_pool argument in `SwapEndianArrayData` to avoid allocating all from default memory pool.

### What changes are included in this PR?

Add memory_pool argument in `SwapEndianArrayData` 

### Are these changes tested?

Maybe tested by ipc

### Are there any user-facing changes?

Maybe user would use the new interface

* Closes: #35511

Authored-by: mwish <maplewish117@gmail.com>
Signed-off-by: Antoine Pitrou <antoine@python.org>