vts: Fix incorrect instance name in Teardown am: a6cc5825e9 am: 9ce5301add am: 676d1b13dc am: 355eb41cd7 am: 033c6a0b7b

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/12422070

Change-Id: Ie5d00ae5c7b95f4e567b017329beb3c93c590b84