audio: Fix AudioRecordTest#testTimestamp CTS on CF am: 05fc6aa383

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3304742

Change-Id: I44167196ec1b8a75653e15514192584bd26d4cbd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>