Merge "Update documentation outlining results during voice calls." into sc-dev...

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

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

Change-Id: I486d6dfe59964f8461187b6ce4ad5eb160b87848