rrd_client: bypass the message switch
rrd_client: bypass the message switch

xcp-rrdd is not yet message-switch aware. Therefore all users
should continue to use the Unix domain sockets for now.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@citrix.com>

xapi-project/message-switch,euanh/xcp-idl,johnelse/xcp-idl,xapi-project/message-switch,djs55/xcp-idl,xapi-project/message-switch,Chunjie/xcp-idl