ICU-22984 Generate old Java monkeys #3210

Job	Run time
clang-valgrind-intltest (utility)	6m 57s
clang-valgrind-intltest (normalize)	6m 27s
clang-valgrind-intltest (collator)	5m 13s
clang-valgrind-test	10m 20s
clang-valgrind-intltest (regex)	5m 32s
clang-valgrind-intltest (format)	16m 1s
clang-valgrind-intltest (translit)	6m 15s
clang-valgrind-intltest (rbbi)	8m 19s
clang-valgrind-intltest (rbnf)	6m 51s
clang-valgrind-intltest (rbnfrt)	6m 20s
clang-valgrind-intltest (icuserv)	5m 27s
clang-valgrind-intltest (idna)	5m 23s
clang-valgrind-intltest (convert)	6m 51s
clang-valgrind-intltest (rbnfp)	5m 29s
clang-valgrind-intltest (csdet)	5m 12s
clang-valgrind-intltest (spoof)	5m 5s
clang-valgrind-intltest (bidi)	6m 9s
	1h 57m 51s

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