Merge "Add a delay between tests to make them more robust" into rvc-dev am: ad15d6c05a am: c04da2f2ab am: 38ae0b1a1f am: 40598537a2

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

Change-Id: Iced61f9740134186a762ded78cee641ffcce7f4e