Fix parsing padding byte in rtp header extension

webrtc/modules/BUILD.gn

 # 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.
 
 import("../build/webrtc.gni")
 import("audio_coding/audio_coding.gni")
@@ skipping 455 matching lines @@
       "rtp_rtcp/source/rtp_format_vp8_test_helper.cc",
       "rtp_rtcp/source/rtp_format_vp8_test_helper.h",
       "rtp_rtcp/source/rtp_format_vp8_unittest.cc",
       "rtp_rtcp/source/rtp_format_vp9_unittest.cc",
       "rtp_rtcp/source/rtp_header_extension_unittest.cc",
       "rtp_rtcp/source/rtp_packet_history_unittest.cc",
       "rtp_rtcp/source/rtp_packet_unittest.cc",
       "rtp_rtcp/source/rtp_payload_registry_unittest.cc",
       "rtp_rtcp/source/rtp_rtcp_impl_unittest.cc",
       "rtp_rtcp/source/rtp_sender_unittest.cc",
+      "rtp_rtcp/source/rtp_utility_unittest.cc",
       "rtp_rtcp/source/time_util_unittest.cc",
       "rtp_rtcp/source/ulpfec_generator_unittest.cc",
       "rtp_rtcp/source/ulpfec_header_reader_writer_unittest.cc",
       "rtp_rtcp/source/ulpfec_receiver_unittest.cc",
       "rtp_rtcp/source/vp8_partition_aggregator_unittest.cc",
       "rtp_rtcp/test/testAPI/test_api.cc",
       "rtp_rtcp/test/testAPI/test_api.h",
       "rtp_rtcp/test/testAPI/test_api_audio.cc",
       "rtp_rtcp/test/testAPI/test_api_rtcp.cc",
       "rtp_rtcp/test/testAPI/test_api_video.cc",
@@ skipping 260 matching lines @@
       "../test:test_common",
       "../test:test_support_main",
       "remote_bitrate_estimator:bwe_simulator_lib",
       "video_capture",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/gflags",
     ]
   }
 }