This reverts commit 8f7a17f80f43a47ce3801a3cfd2afda3575c8023. Reason for revert: breaks downstream Original change's description: > Remove unsupported configuration value, `allow_codec_switching` > > Bug: webrtc:11341 > Change-Id: I8ff598848996bd63ccc572e11f8f69c892a4a459 > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/324284 > Reviewed-by: Philip Eliasson <philipel@webrtc.org> > Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> > Cr-Commit-Position: refs/heads/main@{#40995} Bug: webrtc:11341 Change-Id: I784fd95062fc71f8dcc139b05121985f60709004 No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/324780 Owners-Override: Philip Eliasson <philipel@webrtc.org> Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40998}