Filter preferapnset results to only current carrier am: 748c832f0e am: 2d5376b628 am: 46383b0b9e am: a98bb02589

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/providers/TelephonyProvider/+/12174981

Change-Id: I02e5f61bdcccdb603464d166fd205e92e55900c3