Merge "Update the sign-in title variants." into udc-dev am: 6dd85092 am: e18cee8c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23018646



Change-Id: I84df31b461b4e70dadebebdd90e8fb35ad304fee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>