Found a way to add new line to ACP ACL from CLI.
/home/admin# cd /usr/local/sf/
/usr/local/sf/bin# LinaConfigTool “access-list CSM_FW_ACL_ line 1 advanced trust tcp ifc inside any eq 8305 ifc outside any”
View new config.
FTD# sh run | i 8305
access-list CSM_FW_ACL_ advanced trust tcp ifc inside any eq 8305 ifc outside any
Change is temporary. You will need to modify ACP in FMC to make it permanent.