message: Add implementation name for libaom decoder
  Cr-Commit-Position: refs/heads/master@{#31495}
diff: @@ -53,6 +53,8 @@ class LibaomAv1Decoder final : public VideoDecoder {
  int32_t Release() override;
  + const char* ImplementationName() const override;
  +
  private:
  aom_codec_ctx_t context_;
  bool inited_;
  @@ -180,6 +182,10 @@ int32_t LibaomAv1Decoder::Release() {
  return WEBRTC_VIDEO_CODEC_OK;
  }
  +const char* LibaomAv1Decoder::ImplementationName() const {
  + return "libaom";
  +}
  +
  } // namespace
  const bool kIsLibaomAv1DecoderSupported = true;
  