[201911] [submodule] Advance sonic-swss pointer#11246

prsunny merged 1 commit intosonic-net:201911sonic-net/sonic-buildimage:201911from

ayurkiv-nvda:201911_swss_sub_update_pg_drop_azureayurkiv-nvda/sonic-buildimage:201911_swss_sub_update_pg_drop_azureCopy head branch name to clipboard