Merge "Clarify delay parameter documentation in VibrationEffect" am: 2b9f0c7623 am: cdbc51fa52 am: 3afe20a305

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1622280

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If2edda8cecdd7d7d8f16d0505629fc9c71805274