[JDK-8347328] Adapt JDK-8346567: Make Class.getModifiers() non-native #21009

Job	Run time
/substratevm on Windows	5m 0s
/compiler style,fullbuild,test JDK21	32m 22s
/compiler build,bootstraplite JDKlatest	1h 0m 13s
/espresso style,fullbuild JDK21	13m 43s
/substratevm style,fullbuild JDKlatest	11m 37s
/substratevm build,helloworld,native_unittests JDKlatest	3m 50s
/substratevm build,debuginfotest JDKlatest	4m 12s
/substratevm hellomodule JDKlatest	3m 45s
/sulong style,fullbuild,sulongBasic JDK21	20m 20s
/truffle JDK21	33m 19s
/vm build,sulong JDKlatest	5m 33s
/vm build JDKlatest	5m 50s
	3h 19m 44s

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