Merge "Add a hidden extra key for caller number verification status." into sc-dev am: 7402d904 am: dfd6f36c am: c82f2785

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15180465

Change-Id: Ie91d62fbc1eb0fae1f4298070b2d7e932ab432b6