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

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

Change-Id: I3b01e6484cefb4985e33f31a8f278228edf2c8d7