bug#19064: bug#17272: bug#19064: 25.0.50; `message' overwrites `y-or-n-p' prompt, so user misses it

[Juri Linkov]

>> -                        (message "%s" msg))
>> +                            (if (minibufferp)
>> +                                (minibuffer-message "%s" msg)
>> +                              (message "%s" msg)))
>
> Wouldn't it make more sense to just have `message' behave like
> `minibuffer-message' if '(minibufferp)'?  Otherwise all async code will
> have to have this code snippet.

I agree, this would make code more manageable.

But a question: after reversing the dependency should it be
customizable to get back an old behavior for Drew?