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

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

Change-Id: Ie5e99b2143e75edb2f11c0a2b5f44ecd605330cf