Merge "Replace "mts" with "mts-tethering"." am: 200e42063c am: 57699090be am: 6219b5d007 am: 13589b1fa7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1864894

Change-Id: I36127712e3784828d1efe2ec420a8f2b12d53cb7