[WIP] openai-java instrumentation

[ygree]

What Does This Do

The openai-java 0.45+ instrumentation for completions, chat completions, embeddings, and responses.

Passes all APM test:

test_openai.py::TestOpenAiApm::test_chat_completion[java-test-ml-app-tcp-True] PASSED [ 12%]
test_openai.py::TestOpenAiApm::test_chat_completion[java-test-ml-app-tcp-False] PASSED [ 25%]
test_openai.py::TestOpenAiApm::test_completion[java-test-ml-app-tcp] PASSED [ 37%]
test_openai.py::TestOpenAiApm::test_embedding[java-test-ml-app-tcp] PASSED [ 50%]
test_openai.py::TestOpenAiApm::test_chat_completion_tool_call[java-test-ml-app-tcp-True] PASSED [ 62%]
test_openai.py::TestOpenAiApm::test_chat_completion_tool_call[java-test-ml-app-tcp-False] PASSED [ 75%]
test_openai.py::TestOpenAiApm::test_responses_create[java-test-ml-app-tcp-True] PASSED [ 87%]
test_openai.py::TestOpenAiApm::test_responses_create[java-test-ml-app-tcp-False] PASSED [100%]

LLMObs test WIP 4/15:

test_openai.py::TestOpenAiLlmObs::test_chat_completion[java-test-ml-app-tcp-True] PASSED [  6%]
test_openai.py::TestOpenAiLlmObs::test_chat_completion[java-test-ml-app-tcp-False] PASSED [ 13%]
test_openai.py::TestOpenAiLlmObs::test_completion[java-test-ml-app-tcp] PASSED [ 20%]
test_openai.py::TestOpenAiLlmObs::test_embedding[java-test-ml-app-tcp] PASSED [ 26%]

test_openai.py::TestOpenAiLlmObs::test_chat_completion_tool_call[java-test-ml-app-tcp-True] SKIPPED [ 33%]
test_openai.py::TestOpenAiLlmObs::test_chat_completion_tool_call[java-test-ml-app-tcp-False] SKIPPED [ 40%]
test_openai.py::TestOpenAiLlmObs::test_chat_completion_telemetry[java-test-ml-app-tcp-True] SKIPPED [ 46%]
test_openai.py::TestOpenAiLlmObs::test_responses_create[java-test-ml-app-tcp-True] SKIPPED [ 53%]
test_openai.py::TestOpenAiLlmObs::test_responses_create[java-test-ml-app-tcp-False] SKIPPED [ 60%]
test_openai.py::TestOpenAiLlmObs::test_responses_create_tool_call[java-test-ml-app-tcp-True] SKIPPED [ 66%]
test_openai.py::TestOpenAiLlmObs::test_responses_create_tool_call[java-test-ml-app-tcp-False] SKIPPED [ 73%]
test_openai.py::TestOpenAiLlmObs::test_responses_create_reasoning[java-test-ml-app-tcp-True] SKIPPED [ 80%]
test_openai.py::TestOpenAiLlmObs::test_responses_create_reasoning[java-test-ml-app-tcp-False] SKIPPED [ 86%]
test_openai.py::TestOpenAiLlmObs::test_responses_create_tool_input[java-test-ml-app-tcp-True] SKIPPED [ 93%]
test_openai.py::TestOpenAiLlmObs::test_responses_create_tool_input[java-test-ml-app-tcp-False] SKIPPED [100%]

TBD: telemetry

Motivation

Additional Notes

Contributor Checklist

• Format the title according the contribution guidelines
• Assign the type: and (comp: or inst:) labels in addition to any useful labels
• Don't use close, fix or any linking keywords when referencing an issue.
  Use solves instead, and assign the PR milestone to the issue
• Update the CODEOWNERS file on source file addition, move, or deletion
• Update the public documentation in case of new configuration flag or behavior

Jira ticket: [PROJ-IDENT]