Merge "Add accessibility messages to privacy chip on tv." into sc-dev am: 9028f499 am: c1863267 am: 8aed08b0

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

Change-Id: I9220e6ff85d65a33c23984f0dc9103ea02af5a5b