Deprecate RTPFragmentationHeader argument to AudioPacketizationCallback::SendData

It appears unused everywhere. It will be deleted in a followup cl.

Bug: webrtc:6471
Change-Id: Ief992db6e52aee3cf1bc77ffd659ffbc072672ba
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/134212
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27787}
diff --git a/modules/audio_coding/test/EncodeDecodeTest.cc b/modules/audio_coding/test/EncodeDecodeTest.cc
index c961fe5..25e273a 100644
--- a/modules/audio_coding/test/EncodeDecodeTest.cc
+++ b/modules/audio_coding/test/EncodeDecodeTest.cc
@@ -32,13 +32,11 @@
 TestPacketization::~TestPacketization() {
 }
 
-int32_t TestPacketization::SendData(
-    const AudioFrameType /* frameType */,
-    const uint8_t payloadType,
-    const uint32_t timeStamp,
-    const uint8_t* payloadData,
-    const size_t payloadSize,
-    const RTPFragmentationHeader* /* fragmentation */) {
+int32_t TestPacketization::SendData(const AudioFrameType /* frameType */,
+                                    const uint8_t payloadType,
+                                    const uint32_t timeStamp,
+                                    const uint8_t* payloadData,
+                                    const size_t payloadSize) {
   _rtpStream->Write(payloadType, timeStamp, _seqNo++, payloadData, payloadSize,
                     _frequency);
   return 1;