Content provider does not directly use this intent. But it is fired by the contacts app to request the voicemail source to fetch voicemail audio of a single voicemail message. The constant needs to live in the contracts file to serve as a common definition between contacts and voicemail source apps. Bug: 5114261 Change-Id: Ibf7b2a4c871d3561d2ca50d03f8182352fadd3ab