AdChoice

NativeAdChoicesView adChoiceView = (NativeAdChoicesView) nativeViewHierarchyManager.resolveView(adChoiceViewTag);
adChoiceView.removeAllViews();
View providerView = nativeAdView.mNativeAd.getProviderView(nativeAdView.getContext());
if (providerView != null) {
  if (providerView.getParent() != null && providerView.getParent() instanceof ViewGroup) {
    ((ViewGroup) providerView.getParent()).removeView(providerView);
  }
  ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
  adChoiceView.addView(providerView, layoutParams);
}
nativeAdView.setProviderView(providerView);