[fuchsia_video_decoder] update FIDL service name in error message

Change-Id: I6ebfaf62eaf0a15ae8b0dea21481ac2913473161
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2369733
Commit-Queue: Gary Miguel <garymm@google.com>
Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801079}

media/filters/fuchsia/fuchsia_video_decoder.cc

@@ -435,7 +435,7 @@ void FuchsiaVideoDecoder::Initialize(const VideoDecoderConfig& config,
                                  decoder_.NewRequest());
 
   decoder_.set_error_handler([this](zx_status_t status) {
-    ZX_LOG(ERROR, status) << "fuchsia.mediacodec.Codec disconnected.";
+    ZX_LOG(ERROR, status) << "fuchsia.media.StreamProcessor disconnected.";
     OnError();
   });