Merge "Update KEY_CARRIER_SERVICE_NUMBER_STRING_ARRAY documentation to reflect new requirement for Service dialing number." into main am: 2cfbb911e1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2666215

Change-Id: I6112cb6e1e0a583caaa57e3c908308c8a6aaac5f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>