TDQ-9468 fix 2 problems.(1) bin Frequency with java engine work well
when has optional seting.(2) using 'Locale.getDefault()' on Week
Frequency with java engine.
TDQ-9468 1.WeekFrequency:if the weekOfYear is less than 10,add '0' as
a prefix. 2.BinFrequency:display the group(no any data in this
group).
Merge branch 'maintenance/5.6'