[Streaming Indexing] Enhance RestAction with request / response streaming support

[reta]

Description

Enhance RestAction with request / response streaming support

Related Issues

Closes #9071

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• API changes companion pull request created.
• 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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[github-actions]

❕ Gradle check result for 836c46b: UNSTABLE

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 45.90747% with 152 lines in your changes missing coverage. Please review.

Project coverage is 71.57%. Comparing base (b15cb0c) to head (aea22d9).
Report is 390 commits behind head on main.

Files	Patch %	Lines
.../main/java/org/opensearch/rest/RestController.java	1.88%	51 Missing and 1 partial ⚠️
.../rest/action/document/RestBulkStreamingAction.java	31.74%	42 Missing and 1 partial ⚠️
...ctor/netty4/ReactorNetty4StreamingHttpChannel.java	36.84%	23 Missing and 1 partial ⚠️
...g/opensearch/http/DefaultStreamingRestChannel.java	64.28%	7 Missing and 3 partials ⚠️
.../netty4/ReactorNetty4StreamingRequestConsumer.java	61.53%	3 Missing and 2 partials ⚠️
...ch/http/reactor/netty4/ReactorNetty4HttpChunk.java	69.23%	3 Missing and 1 partial ⚠️
...netty4/ReactorNetty4StreamingResponseProducer.java	75.00%	4 Missing ⚠️
.../src/main/java/org/opensearch/http/HttpTracer.java	0.00%	4 Missing ⚠️
...g/opensearch/http/AbstractHttpServerTransport.java	62.50%	3 Missing ⚠️
...rch/common/xcontent/support/XContentHttpChunk.java	83.33%	1 Missing and 1 partial ⚠️
... and 1 more

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #13772      +/-   ##
============================================
+ Coverage     71.42%   71.57%   +0.15%     
- Complexity    59978    61714    +1736     
============================================
  Files          4985     5102     +117     
  Lines        282275   289941    +7666     
  Branches      40946    41896     +950     
============================================
+ Hits         201603   207523    +5920     
- Misses        63999    65297    +1298     
- Partials      16673    17121     +448     

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[github-actions]

❕ Gradle check result for db179a3: UNSTABLE

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

[github-actions]

✅ Gradle check result for cc21ef8: SUCCESS

[github-actions]

✅ Gradle check result for b2722d3: SUCCESS

[github-actions]

✅ Gradle check result for 336ba50: SUCCESS

[github-actions]

❌ Gradle check result for b809a35: 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?

[github-actions]

✅ Gradle check result for ef8ffa3: SUCCESS

[github-actions]

❌ Gradle check result for 4ee3417: 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?

[reta]

❌ Gradle check result for 4ee3417: FAILURE

#13600

[github-actions]

❕ Gradle check result for ddd06a7: UNSTABLE

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

[github-actions]

❌ Gradle check result for 6aa0927: 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?

[reta]

❌ Gradle check result for 6aa0927: FAILURE

#13600

[github-actions]

❌ Gradle check result for 6aa0927: 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?