This make it easier to create parameters from a single endpoint ptr. Bug: None Change-Id: Id64757353505a21c7731655e1b7a3178fa2e5ef8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/207425 Reviewed-by: Artem Titov <titovartem@webrtc.org> Commit-Queue: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33263}