Update sonic-swss module with the following commits

0dcb2b6 Open record file in append mode (#1845)
03ce2ee [vnet/vxlan] Add support of multiple mappers for the VxLAN tunnel (#1843)
c5e90ab VOQ: Nexthop for remote VOQ LC should be created on inband OIF. (#1823)
834c5c8 Td2: Reclaim buffer from unused ports (#1830)
a5ad55c [Dynamic Buffer Calc] Bug fix: Don't create lossless buffer profile for active ports without speed configured (#1822)
f50368f [cfgmgr] Update Makefile.am to consume lib zmq (#1865)