@Override
  public void putExtra(String key, @Nullable Object value) {
    if (INITIAL_KEYS.contains(key)) return;
    mExtras.put(key, value);
  }
Calls {@code onPriorityChanged} on each element of the list. Does nothing if list == null
imagepipeline/src/main/java/com/facebook/imagepipeline/producers/BaseProducerContext.java