PR #11644: [XLA:GPU] move cublasLt creation to thunk initialization.
PR #11644: [XLA:GPU] move cublasLt creation to thunk initialization.

Imported from GitHub PR https://github.com/openxla/xla/pull/11644

To avoid cublasLt and command buffer deadlock, move cublasLt creation to thunk initialization.
Copybara import of the project:

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1d9b36f31fa8dbfce6f628065e946b3219148757 by Shawn Wang <shawnw@nvidia.com>:

move cublasLt creation to thunk initialize

Merging this change closes #11644

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/11644 from shawnwang18:shawnw/move_cublaslt_creation_to_thunk_init 1d9b36f31fa8dbfce6f628065e946b3219148757
