Permit slashes in soundcard description am: da88475d8b am: 2c9b45eacd

Original change: https://android-review.googlesource.com/c/platform/test/vts/+/2515664

Change-Id: Idcfba465a267f77a3dec4ebeed775b5ac9f39d8e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>