Reason for revert: Breaks google3 buildbot: http://webrtc-buildbot-master.mtv.corp.google.com:21000/builders/WebRTC%20google3%20Importer/builds/8640 Original issue's description: > Propagate probing cluster id to SendTimeHistory, both for packets and padding. > > BUG=webrtc:5859 > > Committed: https://crrev.com/5be28c848b91bc6e4800eac07a3f5ac09a32ad70 > Cr-Commit-Position: refs/heads/master@{#12985} TBR=danilchap@webrtc.org,stefan@webrtc.org,mflodman@webrtc.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=webrtc:5859 Review-Url: https://codereview.webrtc.org/2032463003 Cr-Commit-Position: refs/heads/master@{#12987}