[Carbondata-3999] Fix permission issue in /tmp/indexservertmp directory. #3973
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Why is this PR needed?
When dir "/indexservertmp" is not existing,then select query with indexserver will create a dir "/indexservertmp/[queryid]" with permission 755,and the permission of dir "/indexservertmp" is also 755,it will cause permission issue.
What changes were proposed in this PR?
When select query with indexserver,first check if the dir "/indexservertmp" is existing,and if not,then create dir "/indexservertmp" with permission 777
Does this PR introduce any user interface change?
Is any new testcase added?