Fix regression caused by default action changed for h264:Nalu:kFiller

This commit fixes the issue of discontinuous RTP sequence numbers
caused by improper discarding of these nalu types:
kFiller/kEndofSequence/kEndOfStream.

Bug: webrtc:368335257
Change-Id: Id7a2d34b22ee1c6e1523d8279d9838c57fdeb97f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/366501
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43299}
diff --git a/AUTHORS b/AUTHORS
index 652e3ae..716a9c3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -125,6 +125,7 @@
 Shaofan Qi <vshaqi@gmail.com>
 Shigemasa Watanabe <shigemasa7watanabe@gmail.com>
 Shuhai Peng <shuhai.peng@intel.com>
+Shunbo Li <lishunbo@shengwang.cn>
 Seija <doremylover123@gmail.com>
 Silviu Caragea <silviu.cpp@gmail.com>
 Stefan Gula <steweg@gmail.com>
diff --git a/modules/rtp_rtcp/source/video_rtp_depacketizer_h264.cc b/modules/rtp_rtcp/source/video_rtp_depacketizer_h264.cc
index 2439c6c..97bbe7d 100644
--- a/modules/rtp_rtcp/source/video_rtp_depacketizer_h264.cc
+++ b/modules/rtp_rtcp/source/video_rtp_depacketizer_h264.cc
@@ -206,6 +206,7 @@
       case H264::NaluType::kEndOfSequence:
       case H264::NaluType::kEndOfStream:
       case H264::NaluType::kFiller:
+        break;
       case H264::NaluType::kStapA:
       case H264::NaluType::kFuA:
         RTC_LOG(LS_WARNING) << "Unexpected STAP-A or FU-A received.";