When the ast_device_state() function is called to retrieve device state, and

the code checks to see if there is a cached state available, use the aggregate
cached state across all servers, and not just the local state.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@133566 65c4cc65-6c06-0410-ace0-fbb531ad65f3