audio: add overlay build environment setup for audioreach #310

Job	Run time
qcom-preflight-checks / repolinter	30s
qcom-preflight-checks / semgrep/ci	1m 41s
qcom-preflight-checks / dependency-review	6s
qcom-preflight-checks / commit-emails-check	6s
qcom-preflight-checks / copyright-license-check	1m 12s
	3m 35s

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