Tagged through the following for use by CLDR (mainly need b399c67): 7ed7d42... ICU-22298 Include in measunit.h 2d9fa3f... ICU-22285 omit the gb2312 & big5han collation tailorings by default 97510de... ICU-22280 Replace markdown in javadoc with proper tags b399c67... ICU-12811 Fix cldrUtils (add ElapsedTime and UnicodeMap*)