Merge "[Settings] Support phone number talkback" into sc-v2-dev am: 14d03e77ad am: 3900342c14

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/16430899

Change-Id: Ib1c74a5099164c0c31dc2c0dd3398c714195dac3