PR #13302: [GPU] Fix scoped timer of LLVM verifier and move it to a higher logging level.
PR #13302: [GPU] Fix scoped timer of LLVM verifier and move it to a higher logging level.

Imported from GitHub PR https://github.com/openxla/xla/pull/13302


Copybara import of the project:

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d174aac56c56bc61a146aafcb0c83e16a8154d06 by Ilia Sergachev <isergachev@nvidia.com>:

[GPU] Fix scoped timer of LLVM verifier and move it to a higher logging level.

Merging this change closes #13302

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/13302 from openxla:fix_verifier_logging d174aac56c56bc61a146aafcb0c83e16a8154d06
