[automerger skipped] Merge "Call notify() on preferred APN change." am: cdf4c641b3 am: 33a7a6099e am: f5c74bdbfa -s ours

am skip reason: Change-Id Ie8b7e651ba1aa3cbd290f909808dd90f01f94c9b with SHA-1 5f3ee01568 is in history

Original change: https://android-review.googlesource.com/c/platform/packages/providers/TelephonyProvider/+/1514822

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I12131fec79e047a63756b8a4230895b9ba4b1abd