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/TestAllCodecs.cc b/modules/audio_coding/test/TestAllCodecs.cc
index ad742ce..a3f0964 100644
--- a/modules/audio_coding/test/TestAllCodecs.cc
+++ b/modules/audio_coding/test/TestAllCodecs.cc
@@ -64,8 +64,7 @@
                            uint8_t payload_type,
                            uint32_t timestamp,
                            const uint8_t* payload_data,
-                           size_t payload_size,
-                           const RTPFragmentationHeader* fragmentation) {
+                           size_t payload_size) {
   RTPHeader rtp_header;
   int32_t status;