[Backport 2.x] Fix auto date histogram rounding assertion bug

[finnegancarroll]

Backport de59264 from #17023.

Additionally update isUTC to be non-abstract. Breaks backward compatibility with 2.x.
Remove unused ZoneId getter from DocValueFormat.java.

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

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[finnegancarroll]

{"run-benchmark-test": "id_5"}

[github-actions]

❌ Gradle check result for 640534d: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[finnegancarroll]

org.opensearch.cluster.SpecificClusterManagerNodesIT.testElectOnlyBetweenClusterManagerNodes is flaky

[finnegancarroll]

{"run-benchmark-test": "id_5"}

[github-actions]

✅ Gradle check result for 640534d: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 92.30769% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.98%. Comparing base (2187369) to head (740ecab).
Report is 7 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
.../src/main/java/org/opensearch/common/Rounding.java	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##                2.x   #17175    +/-   ##
==========================================
  Coverage     71.98%   71.98%            
+ Complexity    65987    65981     -6     
==========================================
  Files          5341     5341            
  Lines        307114   307157    +43     
  Branches      44824    44823     -1     
==========================================
+ Hits         221068   221122    +54     
+ Misses        67608    67501   -107     
- Partials      18438    18534    +96     

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[finnegancarroll]

{"run-benchmark-test": "id_5"}

[finnegancarroll]

Closing this for now to investigate performance regression: #17023 (comment)

[rishabh6788]

Local benchmarks don't replicate this, feel free to open and merge this.
Will investigate.

[github-actions]

❌ Gradle check result for 7fc3198: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[finnegancarroll]

org.opensearch.cluster.SpecificClusterManagerNodesIT.testElectOnlyBetweenClusterManagerNodes is flaky

[github-actions]

✅ Gradle check result for 740ecab: SUCCESS