[compiler-rt] [scudo] Fix isOwned on MTE devices. (PR #110717)

[via llvm-commits]

https://github.com/ChiaHungDuan approved this pull request.

Just curious what was causing problem here, was the problem happened in the code of `GuardedAlloc.pointerIsMine()`?

https://github.com/llvm/llvm-project/pull/110717