Improve OpenAfterOpen VTS test am: 8d3cb52ead

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3047257

Change-Id: If99f4697b06647a1cd7ea2379509f7c25288fb6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>