Bug 853742 - [fm] fix UI to show radio initialization. r=PinZhang, a=tef+
[fm] BUG 853742 update init func to use enableFMRadio
Bug 862672: If fail to enable the FM Radio, hide the spinner
Merge pull request #9299 from timdream/bug853742

Bug 853742 - Update UI to show FM radio device initialization, r=@pzhang, @timdream, a=tef+