im sure it is: /etc/vmware/config
I dont think the file is created by default, so you need to create the file. But, this should be read in by the client as it launches.
This file is referenced in the user docs relating to RTAV and USB and a few other things.
see http://www.vmware.com/pdf/horizon-view/horizon-view-client-linux-document.pdf
cheers
peterB