PR #76831: aarch64: set compute library openmp runtime to off by default

[copybara-service[bot]]

PR #76831: aarch64: set compute library openmp runtime to off by default

Imported from GitHub PR https://github.com/tensorflow/tensorflow/pull/76831

since the official wheel binary is using Eigen thread pool runtime, there is no dependency on OpenMP. However, having openmp ON by default in compute library bazel config causing an unnecessary dependency on libgomp/libomp for aarch64 linux wheel. This PR is to remove the dependency. Copybara import of the project:

-- b3c62ba5777fb192ca612bca8c20fff9797f99b9 by Sunita Nadampalli [email protected]:

aarch64: set compute library openmp runtime to off by default

Merging this change closes #76831

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/tensorflow/tensorflow/pull/76831 from snadampal:compute_library_def_runtime_fix b3c62ba5777fb192ca612bca8c20fff9797f99b9

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