Merge "audiorecord_tests: Fix remaining threading issues" into main am: 21675facc8 am: cf4d29317e

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3157538

Change-Id: I5097ebee43084891b8a5285c53fd590e805722d8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>