Move webrtc/{tools => rtc_tools}

webrtc/rtc_tools/author_line_count.sh

 #!/bin/bash
 
 # Copyright (c) 2016 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.
 
 # This script counts net line count contributions by author. Besides
 # amusement, the value of these stats are of course questionable.
 
 git log "$@" --pretty=format:%ae --shortstat \
   | sed '/^ /s/,/\n/g' \
   | gawk '
 /^[^ ]/ {
   /* Some author "email addresses" have a trailing @svn-id, strip that out. */
   author = gensub(/^([^@]*@[^@]*).*/, "\\1", "", $1);
 }
 /^ .*insertion/ { total[author] += $1 }
 /^ .*deletion/ { total[author] -= $1 }
 END { for (author in total) {
         print total[author], author
       }
 }
 ' \
   | sort -nr