Use java-agent Gradle plugin to support phasing off SecurityManager usage in favor of Java Agent

[prudhvigodithi]

Description

Since the PR opensearch-project/OpenSearch#17900 is now merged we can just apply the gradle plugin, we can test and close the PR #3724.

Related Issues

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

Check List

• New functionality includes testing.
• New functionality has been documented.
• API changes companion pull request created.
• Commits are signed per the DCO using --signoff.
• Public documentation issue/PR created.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.11%. Comparing base (82da998) to head (e330783).
Report is 5 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3727      +/-   ##
============================================
- Coverage     80.32%   79.11%   -1.22%     
- Complexity     7092     7116      +24     
============================================
  Files           621      623       +2     
  Lines         30937    31590     +653     
  Branches       3494     3574      +80     
============================================
+ Hits          24851    24993     +142     
- Misses         4574     5057     +483     
- Partials       1512     1540      +28     

Flag	Coverage Δ
ml-commons	79.11% <ø> (-1.22%)	⬇️

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