Merge "Test tethered callback with TetheringInterface" into sc-dev am: fcda6f1131 am: 6189804a78 am: 52d8b7c7b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/14622456

Change-Id: Ib93305a56a260fef7ba187928bef60c09e504569