Replace the use of xla::OkStatus with absl::OkStatus now that they're the same.
Replace the use of xla::OkStatus with absl::OkStatus now that they're the same.

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/12637 from ROCm:ci_fix_build_break_20240517 9a090b699df98d7c2a27311fbf353d4a0390e87f
