platform_system_sepolicy/private/hwservice.te

type hal_lazy_test_hwservice, hwservice_manager_type, protected_hwservice;

###
### Neverallow rules
###

# hwservicemanager handles registering or looking up named services.
# It does not make sense to register or lookup something which is not a
# hwservice. Trigger a compile error if this occurs.
neverallow domain ~hwservice_manager_type:hwservice_manager { add find };