Indicates if the forced sw fallback has had an effect (or would have had an effect if it had been enabled). Bug: webrtc:6634 Change-Id: I574b9001a2fae650fb894a1caa0d0f84257658e3 Reviewed-on: https://webrtc-review.googlesource.com/23300 Reviewed-by: Stefan Holmer <stefan@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Åsa Persson <asapersson@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20729}