Bug 1045186 - [B2G][Ringtones] The user can not share ringtone through MMS
bug 1055228 - Add download notification icon for states other than "downloading" and use it. r=qDot
Merge pull request #22543 from jimporter/ringtones-mimetype

Bug 1045186 - [B2G][Ringtones] The user can not share ringtone through MMS
Merge pull request #23050 from nullaus/bug1055228

bug 1055228 - Add download notification icon for states other than "down...