trunk/76b7f0188deaecd85777d1fdc1e03978c8366b2e: [Test][XPU] Refactor reductions tests by device scope (#194350)

发生了什么

Split reductions tests into CPU-only and device-scoped classes, update device test instantiation, and add matching hardware classification (GENERIC for non-instantiated class, ACCELERATOR for instantiated class) without changing test behavior. Pull Request resolved: #194350 Approved by: https://github.com/pbielak , https://github.com/etaf , https://github.com/jansel

摘要按规则整理自下方来源原文

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