Merge "Add content description to home handle" into rvc-dev am: 3d6eb4c4 am: 75359339 am: a0d648b8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11876508

Change-Id: I9027c537e48cce62682c89a1726b143dba673026