private void updateMultiPickerLayoutState(List<BaseMedia> medias) {
        updateOkBtnState(medias);
        updatePreviewBtnState(medias);
    }
A full implement for {@link com.bilibili.boxing.presenter.PickerContract.View} supporting all the mode
in {@link BoxingConfig.Mode}.
use this to pick the picture.

@author ChenSL
boxing-impl/src/main/java/com/bilibili/boxing_impl/ui/BoxingViewFragment.java