Merge "[TestOnly]Remove RemoteResponder from TetheringTester" am: e236ea7c63 am: 5113e59c31

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2115077

Change-Id: Ia2b5b1d74dca100173f1ddd5f7523672e39d7032
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>