Removes the need for specifying a fixed number of parameters. Bug: none Change-Id: I1324861807cb4929963aedccb6c2755b9c6ea3fc Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/180421 Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Åsa Persson <asapersson@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32055}