Reason for revert: onFirstMediaPacketReceived() breaks bot. Original issue's description: > Adding "first packet received" notification to PeerConnectionObserver. > > R=glaznev@webrtc.org, pthatcher@webrtc.org, tkchin@webrtc.org > > Committed: https://crrev.com/42265a8cc3b3f3db4aa2c29005aed2fb4393adef > Cr-Commit-Position: refs/heads/master@{#11401} > > Committed: https://crrev.com/08a6eab75e13613183509d91d3892c1db57f6fc5 > Cr-Commit-Position: refs/heads/master@{#11404} TBR=pthatcher@webrtc.org,tkchin@webrtc.org,glaznev@webrtc.org,deadbeef@webrtc.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Review URL: https://codereview.webrtc.org/1647483004 Cr-Commit-Position: refs/heads/master@{#11415}
See ../objc/README for information on what this is and how to use it.