[CMFileManager]Fix click two times when check the 'Skip media scan' in Secure storage

Procedures

1.Go to “File Manager”.
2.Enter the secure directory and Press the menu button.
3.Press the Properties item.
4.Check the media scan.

Pop "Failed to prevent media scanning" and should click again.

Change-Id: I7990683e373c05fdfcee47bf5189820206bceba5