[llvm] [ValueTracking] Use SimplifyQuery in some public APIs (NFC) (PR #68290)

[Florian Hahn via llvm-commits]

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@@ -372,9 +372,9 @@ NaryReassociatePass::tryReassociateGEPAtIndex(GetElementPtrInst *GEP,
     // If the I-th index needs sext and the underlying add is not equipped with
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fhahn wrote:

Should this explicitly include SimplifyQuery.h?

https://github.com/llvm/llvm-project/pull/68290