Update remaining audio test code to not use WebRtcRTPHeader.

Bug: webrtc:5876
Change-Id: I5b1abcec4a0ef52b6dd36d1fe94dbfd3f88f28a7
Reviewed-on: https://webrtc-review.googlesource.com/c/123235
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26736}
diff --git a/modules/audio_coding/test/EncodeDecodeTest.h b/modules/audio_coding/test/EncodeDecodeTest.h
index df6ee5f..d9c22d7 100644
--- a/modules/audio_coding/test/EncodeDecodeTest.h
+++ b/modules/audio_coding/test/EncodeDecodeTest.h
@@ -84,7 +84,7 @@
   AudioCodingModule* _acm;
   uint8_t _incomingPayload[MAX_INCOMING_PAYLOAD];
   RTPStream* _rtpStream;
-  WebRtcRTPHeader _rtpInfo;
+  RTPHeader _rtpHeader;
   size_t _realPayloadSizeBytes;
   size_t _payloadSizeBytes;
   uint32_t _nextTime;