@Override
  public void process(Bitmap bitmap) {
    long startTime = System.nanoTime();
    mPostprocessor.process(bitmap);
    showDuration(System.nanoTime() - startTime);
  }
Postprocessor that measures the performance of {@link BasePostprocessor#process(Bitmap)}.
samples/showcase/src/main/java/com/facebook/fresco/samples/showcase/postprocessor/BenchmarkPostprocessorForDuplicatedBitmapInPlace.java