libfsotransport: basetransport: move some methods into the private API
libfsotransport: basetransport: move some methods into the private API

slyon/debian-fso-usaged,slyon/debian-fso-deviced,slyon/debian-libfsoframework,slyon/debian-fso-usaged,slyon/debian-libfsoframework,slyon/debian-fso-deviced