implement toString method in HelixBrokerStarter

[sullis]

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 61.47%. Comparing base (59551e4) to head (8bb8379). Report is 133 commits behind head on master.

Files	Patch %	Lines
.../pinot/broker/broker/helix/HelixBrokerStarter.java	0.00%	1 Missing :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #12653      +/-   ##
============================================
- Coverage     61.75%   61.47%   -0.29%     
+ Complexity      207      198       -9     
============================================
  Files          2436     2452      +16     
  Lines        133233   133849     +616     
  Branches      20636    20766     +130     
============================================
+ Hits          82274    82278       +4     
- Misses        44911    45407     +496     
- Partials       6048     6164     +116     

Flag	Coverage Δ
custom-integration1	<0.01% <0.00%> (-0.01%)	:arrow_down:
integration	<0.01% <0.00%> (-0.01%)	:arrow_down:
integration1	<0.01% <0.00%> (-0.01%)	:arrow_down:
integration2	0.00% <0.00%> (ø)
java-11	61.41% <0.00%> (-0.30%)	:arrow_down:
java-21	61.33% <0.00%> (-0.29%)	:arrow_down:
skip-bytebuffers-false	61.45% <0.00%> (-0.30%)	:arrow_down:
skip-bytebuffers-true	61.30% <0.00%> (+33.57%)	:arrow_up:
temurin	61.47% <0.00%> (-0.29%)	:arrow_down:
unittests	61.46% <0.00%> (-0.29%)	:arrow_down:
unittests1	46.35% <ø> (-0.54%)	:arrow_down:
unittests2	27.76% <0.00%> (+0.03%)	:arrow_up:

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[sullis]

ready for review

[sullis]

Obsolete.