Move libaudioclient tests to presubmit

Observed stable behavior in postsubmit,
ran on physical devices via Forrest.

Test: run presubmit for a change in libaudioclient
Merged-In: Idabc64be03df84b9961e0559d880018aaa4d8e2c
Change-Id: Idabc64be03df84b9961e0559d880018aaa4d8e2c
(cherry picked from commit 01fb2a91)