media: Clean up MediaCodecBridge and remove subclasses

media/gpu/avda_picture_buffer_manager.cc

Index: media/gpu/avda_picture_buffer_manager.cc
diff --git a/media/gpu/avda_picture_buffer_manager.cc b/media/gpu/avda_picture_buffer_manager.cc
index eca3872b315fc06f3137cad6458c1ffccd14b45d..0050c534742586a0923c9aa5cfdb95e669272368 100644
--- a/media/gpu/avda_picture_buffer_manager.cc
+++ b/media/gpu/avda_picture_buffer_manager.cc
@@ -269,7 +269,7 @@ void AVDAPictureBufferManager::MaybeRenderEarly() {
       AVDACodecImage::UpdateMode::RENDER_TO_BACK_BUFFER);
 }
 
-void AVDAPictureBufferManager::CodecChanged(VideoCodecBridge* codec) {
+void AVDAPictureBufferManager::CodecChanged(MediaCodecBridge* codec) {
   media_codec_ = codec;
   for (auto& image_kv : codec_images_)
     image_kv.second->CodecChanged(codec);