Async initialization for DateFormat

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

Index: pkg/intl/data/dates/symbols/in.json
===================================================================
--- pkg/intl/data/dates/symbols/in.json	(revision 0)
+++ pkg/intl/data/dates/symbols/in.json	(revision 0)
@@ -0,0 +1 @@
+{"DATEFORMATS":["EEEE, dd MMMM yyyy","d MMMM yyyy","d MMM yyyy","dd/MM/yy"],"NARROWWEEKDAYS":["M","S","S","R","K","J","S"],"STANDALONESHORTMONTHS":["Jan","Feb","Mar","Apr","Mei","Jun","Jul","Agt","Sep","Okt","Nov","Des"],"ERANAMES":["SM","M"],"FIRSTWEEKCUTOFFDAY":5,"NARROWMONTHS":["J","F","M","A","M","J","J","A","S","O","N","D"],"STANDALONESHORTWEEKDAYS":["Min","Sen","Sel","Rab","Kam","Jum","Sab"],"FIRSTDAYOFWEEK":6,"STANDALONEWEEKDAYS":["Minggu","Senin","Selasa","Rabu","Kamis","Jumat","Sabtu"],"WEEKDAYS":["Minggu","Senin","Selasa","Rabu","Kamis","Jumat","Sabtu"],"QUARTERS":["kuartal pertama","kuartal kedua","kuartal ketiga","kuartal keempat"],"ERAS":["SM","M"],"MONTHS":["Januari","Februari","Maret","April","Mei","Juni","Juli","Agustus","September","Oktober","November","Desember"],"TIMEFORMATS":["H:mm:ss zzzz","HH:mm:ss z","HH:mm:ss","HH:mm"],"SHORTWEEKDAYS":["Min","Sen","Sel","Rab","Kam","Jum","Sab"],"SHORTQUARTERS":["K1","K2","K3","K4"],"WEEKENDRANGE":[5,6],"STANDALONENARROWWEEKDAYS":["M","S","S","R","K","J","S"],"AVAILABLEFORMATS":null,"NAME":"in","AMPMS":["AM","PM"],"STANDALONEMONTHS":["Januari","Februari","Maret","April","Mei","Juni","Juli","Agustus","September","Oktober","November","Desember"],"SHORTMONTHS":["Jan","Feb","Mar","Apr","Mei","Jun","Jul","Agt","Sep","Okt","Nov","Des"],"STANDALONENARROWMONTHS":["J","F","M","A","M","J","J","A","S","O","N","D"]}