Fixig issues in bwe plot dynamics.

webrtc/modules/remote_bitrate_estimator/test/plot_dynamics.sh

 #!/bin/bash
 
 # Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
@@ skipping 10 matching lines @@
 # single y axis and a dual y axis mode. If any line specifies an axis by ending
 # with "#<axis number (1 or 2)>" two y axis will be used, the first will be
 # assumed to represent bitrate (in kbps) and the second will be assumed to
 # represent time deltas (in ms).
 
 log=$(</dev/stdin)
 
 # Plot dynamics.
 function gen_gnuplot_input {
   colors=(a7001f 0a60c2 b2582b 21a66c d6604d 4393c3 f4a582 92c5de edcbb7 b1c5d0)
-  plots=$(echo "$log" | grep "^PLOT")
+  plots=$(echo "$log" | grep "^PLOT" | grep "#")
   # Each figure corresponds to a separate plot window.
   figures=($(echo "$plots" | cut -f 2 | sort | uniq))
 
   for figure in "${figures[@]}" ; do
     # Each data set corresponds to a plot line.
     data_sets=$(echo "$plots" | grep "^PLOT.$figure" | cut -f 3 | sort | uniq)
     # Lines can be scaled on the left (1) or right (2) axis.
     linetypes=($(echo "$data_sets" | grep "#" | cut -d '#' -f 2 | \
                  cut -d '@' -f 1 | uniq))
 
@@ skipping 36 matching lines @@
       echo -n "title \"$set\" "
     done
     echo
     for set in $data_sets ; do
       echo "$log" | grep "^PLOT.$figure.$set" | cut -f 4,5
       echo "e"
     done
   done
 }
 gen_gnuplot_input | gnuplot -persist