8284840: Update CLDR to Version 42.0

Reviewed-by: erikj, iris, joehw

Author: naotoj

make/data/cldr/README

@@ -1,4 +1,4 @@
 CLDR - Unicode Common Locale Data Repository
 http://cldr.unicode.org
 
-CLDR version installed: 41
+CLDR version installed: 42

make/data/cldr/common/bcp47/measure.xml

@@ -13,5 +13,10 @@
 			<type name="uksystem" description="UK System of measurement: feet, pints, etc.; pints are 20oz"
 				alias="imperial" since="28" />
 		</key>
+		<key name="mu" since="42" description="Allows setting overrides for measurement units. Currently limited to quantity=temperature, and no provision for usage or size.">
+			<type name="celsius" description="temperature unit is Celsius" since="42" />
+			<type name="kelvin" description="temperature unit is Kelvin" since="42" />
+			<type name="fahrenhe" description="temperature unit is Fahrenheit" since="42" />
+		</key>
 	</keyword>
 </ldmlBCP47>