@Override
      protected void onNewResultImpl(@Nullable T newResult, @Status int status) {
        try {
          if (FrescoSystrace.isTracing()) {
            FrescoSystrace.beginSection("MultiplexProducer#onNewResult");
          }
          Multiplexer.this.onNextResult(this, newResult, status);
        } finally {
          if (FrescoSystrace.isTracing()) {
            FrescoSystrace.endSection();
          }
        }
      }
Forwards {@link Consumer} methods to Multiplexer.
imagepipeline/src/main/java/com/facebook/imagepipeline/producers/MultiplexProducer.java