These methods were only used for testing.
Change-Id: Icbb6a3cc59cbc0b5e1f42efcb86a7203704b92d8
Bug: None
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/256362
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Evan Shrubsole <eshr@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36293}