audio VTS: Fix handling of ULTRASOUND sources am: 50ead27609 am: 7462ae59b9

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2088105

Change-Id: Id38cfd10001babbb129adb32006171d1feebaaad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>