Analytics: Use proper index for storing listens
Analytics: Use proper index for storing listens

The code to store listens and starts wasn't using the same timezone logic as
the code to look those events back up.  This caused problems when the timezone
wasn't set the same as the server's local time.

DreamNetwork/StreamMachine,pteich/StreamMachine,SCPR/StreamMachine,cdgraff/StreamMachine,StreamMachine/StreamMachine,pedropapa/StreamMachine,SCPR/StreamMachine,pteich/StreamMachine,DreamNetwork/StreamMachine,StreamMachine/StreamMachine,cdgraff/StreamMachine,pedropapa/StreamMachine