Merge "Add a delay between tests to make them more robust" into rvc-dev am:...

Merge "Add a delay between tests to make them more robust" into rvc-dev am: ad15d6c0 am: c04da2f2 am: e8cdd931 am: 91802305

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

Change-Id: I4647257f328346e7d1c71f90d27e392ee809d36d