Now Configure(), Decode() and Release() calls to the decoders should all happen on the decoder thread. Added thread checkers to verify. Bug: None Change-Id: I2a1cf2cf7f3c3c7c50e382d82a3638e916ed9c34 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272368 Reviewed-by: Evan Shrubsole <eshr@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37840}