Reason for revert: Breaks downstream code Original issue's description: > Moved webrtc/test/channel_transport/ into webrtc/voice_engine/test/ > > Only used in VoE tests so I'm moving it in under voice_engine/ until we've removed its usage and can deprecate. > > Note: submitting this with PRESUBMIT=false because the files do not adhere to style guide conventions and I'd rather change that in a separate CL. > > BUG= > NOPRESUBMIT=true > > Committed: https://crrev.com/ade2a038a9290ee0c85d8c682eba5447aca943cd > Cr-Commit-Position: refs/heads/master@{#14191} TBR=kwiberg@webrtc.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG= Review-Url: https://codereview.webrtc.org/2336123002 Cr-Commit-Position: refs/heads/master@{#14193}