[CARBONDATA-3575] optimize java code checkstyle for OperatorWrap rule

[lamberken]

Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:

• Any interfaces changed? NO

• Any backward compatibility impacted? NO

• Document update required? NO

• Testing done YES
  Please provide details on
  - Whether new unit test cases have been added or why no new tests are required?
  - How it is tested? Please attach test report.
  - Is it a performance related change? Please attach the performance test report.
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• For large changes, please consider breaking it into sub-tasks under an umbrella JIRA. NO

optimize java code checkstyle for OperatorWrap rule, for a bad style example

org.apache.carbondata.processing.loading.sort.SortStepRowHandler#convertRawRowTo3Parts

int[] dictDims
     = new int[this.dictSortDimCnt + this.dictNoSortDimCnt];

[CarbonDataQA]

Build Success with Spark 2.1.0, Please check CI http://121.244.95.60:12545/job/ApacheCarbonPRBuilder2.1/855/

[CarbonDataQA]

Build Success with Spark 2.2.1, Please check CI http://121.244.95.60:12545/job/ApacheCarbonPRBuilder2.2/861/

[CarbonDataQA]

Build Success with Spark 2.3.2, Please check CI http://121.244.95.60:12545/job/ApacheCarbonPRBuilder2.3/863/

[jackylk]

LGTM