Async initialization for DateFormat

pkg/intl/data/dates/symbols/ms.json

Index: pkg/intl/data/dates/symbols/ms.json
===================================================================
--- pkg/intl/data/dates/symbols/ms.json	(revision 0)
+++ pkg/intl/data/dates/symbols/ms.json	(revision 0)
@@ -0,0 +1 @@
+{"DATEFORMATS":["EEEE, d MMMM y","d MMMM y","dd/MM/yyyy","d/MM/yy"],"NARROWWEEKDAYS":["A","I","S","R","K","J","S"],"STANDALONESHORTMONTHS":["Jan","Feb","Mac","Apr","Mei","Jun","Jul","Ogos","Sep","Okt","Nov","Dis"],"ERANAMES":["S.M.","TM"],"FIRSTWEEKCUTOFFDAY":6,"NARROWMONTHS":["J","F","M","A","M","J","J","O","S","O","N","D"],"STANDALONESHORTWEEKDAYS":["Ahd","Isn","Sel","Rab","Kha","Jum","Sab"],"FIRSTDAYOFWEEK":0,"STANDALONEWEEKDAYS":["Ahad","Isnin","Selasa","Rabu","Khamis","Jumaat","Sabtu"],"WEEKDAYS":["Ahad","Isnin","Selasa","Rabu","Khamis","Jumaat","Sabtu"],"QUARTERS":["Suku pertama","Suku Ke-2","Suku Ke-3","Suku Ke-4"],"ERAS":["S.M.","TM"],"MONTHS":["Januari","Februari","Mac","April","Mei","Jun","Julai","Ogos","September","Oktober","November","Disember"],"TIMEFORMATS":["h:mm:ss a zzzz","h:mm:ss a z","h:mm:ss a","h:mm a"],"SHORTWEEKDAYS":["Ahd","Isn","Sel","Rab","Kha","Jum","Sab"],"SHORTQUARTERS":["Suku 1","Suku Ke-2","Suku Ke-3","Suku Ke-4"],"WEEKENDRANGE":[5,6],"STANDALONENARROWWEEKDAYS":["A","I","S","R","K","J","S"],"AVAILABLEFORMATS":null,"NAME":"ms","AMPMS":["PG","PTG"],"STANDALONEMONTHS":["Januari","Februari","Mac","April","Mei","Jun","Julai","Ogos","September","Oktober","November","Disember"],"SHORTMONTHS":["Jan","Feb","Mac","Apr","Mei","Jun","Jul","Ogos","Sep","Okt","Nov","Dis"],"STANDALONENARROWMONTHS":["J","F","M","A","M","J","J","O","S","O","N","D"]}