Merge "Rename tethering util folder and its package name" am: ea0cfd1897 am: e4235b83be am: 1738c7fda3

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1879620

Change-Id: I418293b54c9b34b6e51671223fda1c7e8bd29010