ICU-22407 Implement Java Temporal Calendar API #408

Job	Run time
clang-valgrind-intltest (utility)	8m 13s
clang-valgrind-intltest (normalize)	7m 38s
clang-valgrind-intltest (collator)	6m 13s
clang-valgrind-intltest (regex)	6m 16s
clang-valgrind-intltest (format)	24m 24s
clang-valgrind-intltest (translit)	7m 24s
clang-valgrind-intltest (rbbi)	12m 1s
clang-valgrind-intltest (rbnf)	7m 43s
clang-valgrind-intltest (rbnfrt)	7m 29s
clang-valgrind-intltest (icuserv)	6m 18s
clang-valgrind-intltest (idna)	6m 22s
clang-valgrind-intltest (convert)	8m 34s
clang-valgrind-intltest (rbnfp)	7m 22s
clang-valgrind-intltest (csdet)	6m 39s
clang-valgrind-intltest (spoof)	5m 41s
clang-valgrind-intltest (bidi)	6m 31s
clang-valgrind-test	17m 44s
	2h 32m 32s

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