vts: Fix incorrect instance name in Teardown am: a6cc5825e9 am: 9ce5301add am: 04d7e84c6e am: 81e3a85011

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

Change-Id: I41919934411dca2618c963c51a901935e2c15c72