Specifically, if dynamic pacer (i.e. TaskQueuePacer) was enabled while
AccountForAudio was set to true, the pacer would pace audio packets.
This should only happen when the WebRTC-Pacer-BlockAudio field trial is
enabled.
Bug: webrtc:10809
Change-Id: If5edc77de88ca9866abeb3b47e171df50673299e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/172082
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30938}