To allow delete old signature of the AudioEncoderOpus::MakeAudioEncoder function and thus guarantee Opus AudioEncoder always has an Environment Bug: webrtc:343086059 Change-Id: Ib660678aeb5a549dddd1dffa3d8c28b2ec6b9d0b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/356981 Reviewed-by: Jakob Ivarsson <jakobi@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42690}