libSceAgcDriver, libSceNgs2.native and libSceNpUniversalDataSystem now
build their Export.cpp stubs, but their debt files had no entry for
them. Each gains one in the wording of the other pending-export
entries: names and NIDs from the PS5 3.20 export table, no credible
prototype, and a throw through NotImplemented_nid_no_patch.