Merge "[VTS] Use primary channel to enable RTT responder" into rvc-dev am: cf95a2fe53 am: b80ceb1915 am: 98b203e9c3

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

Change-Id: Ia41dd76cc19952c783acdc25590ae7c71598ad7d