ICU-23001 Add DataLocaleInformation interface #3447

Job	Run time
clang-valgrind-test	10m 38s
clang-valgrind-intltest (utility)	6m 40s
clang-valgrind-intltest (normalize)	6m 18s
clang-valgrind-intltest (collator)	5m 35s
clang-valgrind-intltest (regex)	5m 25s
clang-valgrind-intltest (format)	13m 32s
clang-valgrind-intltest (translit)	6m 8s
clang-valgrind-intltest (rbbi)	9m 17s
clang-valgrind-intltest (rbnf)	6m 31s
clang-valgrind-intltest (rbnfrt)	6m 16s
clang-valgrind-intltest (icuserv)	5m 25s
clang-valgrind-intltest (idna)	5m 17s
clang-valgrind-intltest (convert)	6m 57s
clang-valgrind-intltest (rbnfp)	5m 27s
clang-valgrind-intltest (csdet)	5m 18s
clang-valgrind-intltest (spoof)	5m 19s
clang-valgrind-intltest (bidi)	5m 39s
	1h 55m 42s

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