Merge "Add a delay between tests to make them more robust" into rvc-dev am: ad15d6c05a am: c04da2f2ab am: e8cdd93148 am: 9180230531

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/11392730

Change-Id: I4647257f328346e7d1c71f90d27e392ee809d36d