Add pcap support to bwe tools. Allow filtering on SSRCs.

webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator.gypi

 # Copyright (c) 2011 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.
 
 {
   'includes': [
@@ skipping 85 matching lines @@
               'sources!': [
                 'remote_bitrate_estimator/test/bwe_test_logging.cc'
               ],
             }],
           ],
         },
         {
           'target_name': 'bwe_tools_util',
           'type': 'static_library',
           'dependencies': [
+            '<(DEPTH)/third_party/gflags/gflags.gyp:gflags',
             '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers',
             'rtp_rtcp',
           ],
           'sources': [
             'tools/bwe_rtp.cc',
             'tools/bwe_rtp.h',
           ],
         },
         {
           'target_name': 'bwe_rtp_to_text',
@@ skipping 36 matching lines @@
             ],
           },
           'sources': [
             'tools/bwe_rtp_play.cc',
           ], # source
         },
       ],
     }],  # include_tests==1
   ],
 }