Send and Receive VideoFrameTrackingid RTP header extension.

Bug: webrtc:12594
Change-Id: I2372a361e55d0fdadf9847081644b6a3359a2928
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/212283
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Jeremy Leconte <jleconte@google.com>
Cr-Commit-Position: refs/heads/master@{#33570}
diff --git a/api/rtp_parameters.cc b/api/rtp_parameters.cc
index 92f99e9..8a18f89 100644
--- a/api/rtp_parameters.cc
+++ b/api/rtp_parameters.cc
@@ -130,6 +130,7 @@
 constexpr char RtpExtension::kMidUri[];
 constexpr char RtpExtension::kRidUri[];
 constexpr char RtpExtension::kRepairedRidUri[];
+constexpr char RtpExtension::kVideoFrameTrackingIdUri[];
 
 constexpr int RtpExtension::kMinId;
 constexpr int RtpExtension::kMaxId;
@@ -164,7 +165,8 @@
          uri == webrtc::RtpExtension::kColorSpaceUri ||
          uri == webrtc::RtpExtension::kRidUri ||
          uri == webrtc::RtpExtension::kRepairedRidUri ||
-         uri == webrtc::RtpExtension::kVideoLayersAllocationUri;
+         uri == webrtc::RtpExtension::kVideoLayersAllocationUri ||
+         uri == webrtc::RtpExtension::kVideoFrameTrackingIdUri;
 }
 
 bool RtpExtension::IsEncryptionSupported(absl::string_view uri) {