Add EntityConditionValue.encryptConditionFields support to
EntityConditionValue.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1604972 13f79535-47bb-0310-9956-ffa450edef68
encryptConditionFields now returns a new EntityCondition, if it did
anything.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1604973 13f79535-47bb-0310-9956-ffa450edef68