Adding a metric to measure total thread cpu time for a table

[mcvsubbu]

Allows us to compute the total thread cpu time each table uses for queries.

[codecov-commenter]

Codecov Report

Merging #11713 (0fd4f92) into master (b7cda01) will decrease coverage by 0.09%.
Report is 27 commits behind head on master.
The diff coverage is 50.00%.

@@             Coverage Diff              @@
##             master   #11713      +/-   ##
============================================
- Coverage     63.12%   63.04%   -0.09%     
+ Complexity     1121     1117       -4     
============================================
  Files          2343     2342       -1     
  Lines        125665   125790     +125     
  Branches      19312    19335      +23     
============================================
- Hits          79324    79299      -25     
- Misses        40681    40834     +153     
+ Partials       5660     5657       -3     

Flag	Coverage Δ
integration	<0.01% <0.00%> (ø)
integration1	<0.01% <0.00%> (ø)
integration2	0.00% <0.00%> (ø)
java-11	63.01% <50.00%> (-0.04%)	⬇️
java-17	62.92% <50.00%> (-0.04%)	⬇️
java-20	14.43% <0.00%> (-48.51%)	⬇️
temurin	63.04% <50.00%> (-0.09%)	⬇️
unittests	63.03% <50.00%> (-0.09%)	⬇️
unittests1	67.18% <50.00%> (-0.05%)	⬇️
unittests2	14.43% <0.00%> (-0.08%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...a/org/apache/pinot/common/metrics/ServerMeter.java	97.64% <100.00%> (+0.02%)	⬆️
...che/pinot/core/query/scheduler/QueryScheduler.java	70.46% <0.00%> (-0.96%)	⬇️

... and 58 files with indirect coverage changes

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[jasperjiaguo]

LGTM