Fix dependencies of notice files

Filter out the relevant deps for /vendor, /product and
/product_services, and make the /system version depend
on the rest.

Also filter out phony packages, which do not produce
license files on their own (though their deps might).

Bug: 118089975
Test: diff blueline notice files before and after
Change-Id: Idc621b16237dfecafd0befa742c8d3b93be1f611