[GR-54871] [JDK-8229959] Execute bootstrap methods for Proxy at image build time. #18041

Job	Run time
/substratevm on Windows	7m 9s
/compiler style,fullbuild,test JDK21	27m 59s
/compiler build,bootstraplite JDKlatest	4m 29s
/espresso style,fullbuild JDK21	12m 22s
/substratevm style,fullbuild JDK21	10m 34s
/substratevm build,helloworld,native_unittests JDKlatest	19m 32s
/substratevm build,debuginfotest JDKlatest	11m 2s
/substratevm hellomodule JDKlatest	5m 12s
/sulong style,fullbuild,sulongBasic JDK21	18m 9s
/truffle JDK21	34m 40s
/vm build,sulong JDKlatest	23m 31s
/vm build JDKlatest	15m 1s
	3h 9m 40s

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