Setting the currency style inside getCurrencyFractionDigits. If not s…

…et, NSNumberFormatter will not populate the minimum/maximumFractionDigits.

	Change on 2016/01/05 by lougle <lougle@google.com>
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=111467641

jre_emul/android/libcore/luni/src/main/java/libcore/icu/ICU.java

@@ -323,6 +323,7 @@ public static native String getCurrencySymbol(Locale locale, String currencyCode
 
     public static native int getCurrencyFractionDigits(String currencyCode) /*-[
       NSNumberFormatter *formatter = AUTORELEASE([[NSNumberFormatter alloc] init]);
+      [formatter setNumberStyle:NSNumberFormatterCurrencyStyle];
       [formatter setCurrencyCode:currencyCode];
       return (int) [formatter maximumFractionDigits];
     ]-*/;