Updated QueryStats class in QueryClient

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 67.66917% with 43 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.00%. Comparing base (fe31231) to head (44cdc71).

Files with missing lines	Patch %	Lines
...ain/java/tech/ydb/table/query/DataQueryResult.java	0.00%	42 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #555      +/-   ##
============================================
+ Coverage     62.88%   63.00%   +0.12%     
- Complexity     2434     2446      +12     
============================================
  Files           332      332              
  Lines         13848    13950     +102     
  Branches       1384     1406      +22     
============================================
+ Hits           8708     8789      +81     
- Misses         4495     4517      +22     
+ Partials        645      644       -1     

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