Add missing dependency from module name to symlinks

The rules to install the symlinks had dependencies from PRODUCT_PACKAGES
install rules, but from manual install requests like `m toybox`.  Add
the missing dependencies.  Also add the new declare-0p-target licensing
call.

Fixes: 205524422
Test: m toybox
Change-Id: Ie9a5e37b09250aa271ab153a13f41bc34fa4a38a