Reason for revert:
Reverting while investigating a downstream build failure.
Original issue's description:
> Initial version of the local visualization tool for WebrtcEventLogs.
>
> Plot graphs to python code. Generate packet, playout, sequence number and total bitrate graphs.
>
> Add bitrate and latency plots. Generate multiple figures, and control which ones are used through command line flags.
>
> Committed: https://crrev.com/a478786ef1513790194792010f766324a469db4d
> Cr-Commit-Position: refs/heads/master@{#13443}
TBR=stefan@webrtc.org,aleloi@webrtc.org,phoglund@webrtc.org,henrika@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/2147453002
Cr-Commit-Position: refs/heads/master@{#13445}
a44f28da45