Merge "[FUI19] Migrate ConnectivityService to use NetworkStatsManager" am: 7563c45083 am: 013ae86f00 am: 14b3195aa5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1560408

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I48c92ae353490c05f1704b010b3c6f25505164c3