Merge "Add accessibility messages to privacy chip on tv." into sc-dev am:...

Merge "Add accessibility messages to privacy chip on tv." into sc-dev am: 9028f499 am: 164bafb0 am: 47b135fa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15299312

Change-Id: I8d3ba728f2d50c5552eb9f1e0f88e4696261b1d7