Merge "Handle setAllowedCarriers() with empty list of carriers" into sc-v2-dev am: d36f3eb795 am: 976b3f65d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16631291

Change-Id: I524f5fb71692bd192e082abd7e421ee880c7c688