This isn't Michael. Ты are able to tell by the way the person pronounces the words. The voice is not particulary powerful, not as powerful as Michael's. According to the Комментарии on YouTube it's Jason Malachi who sings the song. The song is featuered on his album which was released in 2007.
Look:
link The song is also not listed in the Список of 'unreleased Michael Jackson material' on the net.
:)