[Backport] [2.x] - Adds support for asynchronous gauge metric type (#12642)

[Gaganjuneja]

Description

backport #12642 to 2.x

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Failing checks are inspected and point to the corresponding known issue(s) (See: Troubleshooting Failing Builds)
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)
• Public documentation issue/PR created

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[Gaganjuneja]

@reta, please take a look at the back port PR.

[github-actions]

Compatibility status:

Checks if related components are compatible with change edabf30

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/flow-framework.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/sql.git]

[github-actions]

❕ Gradle check result for edabf30: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.search.SearchWeightedRoutingIT.testMultiGetWithNetworkDisruption_FailOpenEnabled
      1 org.opensearch.remotestore.multipart.RemoteStoreMultipartIT.testOverriddenBufferInterval
      1 org.opensearch.cluster.MinimumClusterManagerNodesIT.testThreeNodesNoClusterManagerBlock

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 71.24%. Comparing base (0dd892c) to head (edabf30).
Report is 29 commits behind head on 2.x.

Files	Patch %	Lines
...ch/telemetry/metrics/noop/NoopMetricsRegistry.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #12692      +/-   ##
============================================
- Coverage     71.28%   71.24%   -0.04%     
+ Complexity    60145    60139       -6     
============================================
  Files          4957     4959       +2     
  Lines        282799   283034     +235     
  Branches      41409    41439      +30     
============================================
+ Hits         201591   201647      +56     
- Misses        64189    64361     +172     
- Partials      17019    17026       +7     

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