Merge "Update documentation outlining results during voice calls." into sc-dev am: c2a780db am: 7725e154 am: 5ec1df2b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15128665

Change-Id: Ife899cfc32aa2008e3df42fec29cdcf54bbddcdb