Permit slashes in soundcard description am: 19bc464eec am: c411d10689 am: 7f5366ae2a am: b296199d3a

Original change: https://android-review.googlesource.com/c/platform/test/vts/+/2509958

Change-Id: I4dc153a0ba8a9e2df6549eade901dc278e5c9bfa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>