private boolean isSorted = false;

holder.borrar.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        if(isSorted) {
            //do what you want to do after it is sorted.
        }
    }
});

...
//Updating flag based on condition
if(condition) {
    isSorted = true;
}
...