No. You should use "Как хочешь", "Мне все равно", "Выбирай сам".

"Воля твоя" usually means "I don't agree with you, but It's you who makes the desicion". Like "— А я всё равно женюсь на ней! — Воля твоя."
It's quite colorful phrase, so it should be used carefully.