[C++] Add get_protocol_writer for marshaled bonded
[C++] Add get_protocol_writer for marshaled bonded

tstein/bond,chwarr/bond,sapek/bond,jdubrule/bond,chwarr/bond,jdubrule/bond,sapek/bond,chwarr/bond,gencer/bond,tstein/bond,chwarr/bond,gencer/bond,sapek/bond,Microsoft/bond,Microsoft/bond,tstein/bond,tstein/bond,chwarr/bond,sapek/bond,gencer/bond,Microsoft/bond,Microsoft/bond,jdubrule/bond,Microsoft/bond,jdubrule/bond,gencer/bond,tstein/bond,jdubrule/bond,tstein/bond,sapek/bond,jdubrule/bond,sapek/bond,gencer/bond,chwarr/bond,Microsoft/bond