Add a has-carrier-privileges shell command. am: b6907bdfee

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/13810490

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib6ea960b9596c7f08a995db6ae44d807fdc4e735