Update to ConnectivityService to use utils am: 4ab1ffca29 am: 241bbaddf3 am: 2dc89ff07a am: aa1b8d9c11

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1934218

Change-Id: I3a2888e7cd17d8b4af6a1b60f975a0d0395da45d