Merge "[TestOnly]Remove RemoteResponder from TetheringTester" am: e236ea7c63 am: 5113e59c31 am: 02a5082250

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

Change-Id: Idc7cabbc452f1d440c7d104ac80dc128b0660494
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>