Reland "Remove CodecInst pt.1"

This is a reland of 056f9738bf7a3d16da45398239656e165c4e0851

Original change's description:
> Remove CodecInst pt.1
> 
> Update audio_coding tests to not use CodecInst.
> 
> Bug: webrtc:7626
> Change-Id: I880fb8d72d7d0a915d274e67feb6106f023697c2
> Reviewed-on: https://webrtc-review.googlesource.com/c/112594
> Commit-Queue: Fredrik Solenberg <solenberg@webrtc.org>
> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#25879}

Bug: webrtc:7626
Change-Id: I5d6ca0baf6230bfe9bf95c2c25496d2a56812d90
Reviewed-on: https://webrtc-review.googlesource.com/c/112942
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Fredrik Solenberg <solenberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25902}
diff --git a/modules/audio_coding/test/target_delay_unittest.cc b/modules/audio_coding/test/target_delay_unittest.cc
index 071a6d8..8d82b6e 100644
--- a/modules/audio_coding/test/target_delay_unittest.cc
+++ b/modules/audio_coding/test/target_delay_unittest.cc
@@ -12,10 +12,8 @@
 
 #include "api/audio/audio_frame.h"
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
-#include "common_types.h"  // NOLINT(build/include)
 #include "modules/audio_coding/codecs/pcm16b/pcm16b.h"
 #include "modules/audio_coding/include/audio_coding_module.h"
-#include "modules/audio_coding/test/utility.h"
 #include "modules/include/module_common_types.h"
 #include "test/gtest.h"
 #include "test/testsupport/fileutils.h"
@@ -35,8 +33,9 @@
 
     ASSERT_EQ(0, acm_->InitializeReceiver());
     constexpr int pltype = 108;
-    ASSERT_EQ(true,
-              acm_->RegisterReceiveCodec(pltype, {"L16", kSampleRateHz, 1}));
+    std::map<int, SdpAudioFormat> receive_codecs =
+        {{pltype, {"L16", kSampleRateHz, 1}}};
+    acm_->SetReceiveCodecs(receive_codecs);
 
     rtp_info_.header.payloadType = pltype;
     rtp_info_.header.timestamp = 0;