Improve OpenAfterOpen VTS test am: 8d3cb52ead am: f9a0c1cf56

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

Change-Id: I0dc1d5633a36d60dac4aebf6b30597f5ecf05ff0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>