audio: Fix AudioRecordTest#testTimestamp CTS on CF am: 05fc6aa383 am: ad8a4f7e42

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

Change-Id: I11e8ba187992e5be7b34a3b0a479d668ade9d59a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>