Merge "[Regional Pref] Add footer in Regional preference page" into udc-dev...

Merge "[Regional Pref] Add footer in Regional preference page" into udc-dev am: d81b473f am: cfcef716

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/22550313



Change-Id: Ic45e3d9f20db9d89a34fc0d053ea48d056d907c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>