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/acm2/acm_send_test.cc b/modules/audio_coding/acm2/acm_send_test.cc
index c558f7b..55552ca 100644
--- a/modules/audio_coding/acm2/acm_send_test.cc
+++ b/modules/audio_coding/acm2/acm_send_test.cc
@@ -122,13 +122,11 @@
 }
 
 // This method receives the callback from ACM when a new packet is produced.
-int32_t AcmSendTestOldApi::SendData(
-    AudioFrameType frame_type,
-    uint8_t payload_type,
-    uint32_t timestamp,
-    const uint8_t* payload_data,
-    size_t payload_len_bytes,
-    const RTPFragmentationHeader* fragmentation) {
+int32_t AcmSendTestOldApi::SendData(AudioFrameType frame_type,
+                                    uint8_t payload_type,
+                                    uint32_t timestamp,
+                                    const uint8_t* payload_data,
+                                    size_t payload_len_bytes) {
   // Store the packet locally.
   frame_type_ = frame_type;
   payload_type_ = payload_type;