--force_fieldtrial=/WebRTC-DecoderDataDumpDirectory/./ will create a
file ./webrtc_receive_stream_[ssrc].ivf containing the exact data that
is fed to the decoder.
Bug: None
Change-Id: I4042298c9b851fc4b61c417652315fa2610de1ed
Reviewed-on: https://webrtc-review.googlesource.com/c/107644
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25467}
