@Override
  public void initInstrumentation(final String tag, final PerfListener perfListener) {
    mInstrumentation.init(tag, perfListener);
    // we don't have a better estimate on when to call onStart, so do it here.
    mInstrumentation.onStart();
  }
{@link NetworkImageView} that notifies its instance of {@link Instrumentation} whenever an image
request lifecycle event happens.
samples/comparison/src/main/java/com/facebook/samples/comparison/instrumentation/InstrumentedNetworkImageView.java