Merge "[VTS] Use primary channel to enable RTT responder" into rvc-dev am: cf95a2fe53 am: b80ceb1915

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/12109459

Change-Id: I841779b284bf15f1ca82e1c6653d04a64255261e