Fix for bug 1400963

 OEW test with T2 multithread cored at NAList<CollationDB*>::removeCounted

User collation code had static member variable that was cauing this issue.
User collation feature is not supported and hence removed part of this featu
and reworked the rest to make it thread safe.

Change-Id: I4aec79ace3e331692549809cee81502a9102993d
Merge "Fix for bug 1400963"