vts: Fix incorrect instance name in Teardown am: a6cc5825e9 am: 9ce5301add am: 676d1b13dc am: 726ad5373b am: c36041d0e3

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

Change-Id: Ic4f1e56a1d03186814ab0405c263390895853b7d