feat: Allow profiler to respond to log level changes.

[nrcventura]

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Description

Updates the managed agent to notify the profiler if the newrelic.config files changes. Updates the profiler so that it includes a method invoked by the managed agent so that it can reload the newrelic config, and update some of the logging settings. These changes allow the profiler log level to change without restarting the application.

This code was testing manually, with and without an updated profiler. Without an updated profiler, the agent logs an error stating that it couldn't notify the profiler about the configuration changing. With an updated profiler, the profiler log level was successfully changed and messaged began logging at the newer level.

Author Checklist

• Unit tests, Integration tests, and Unbounded tests completed
• Performance testing completed with satisfactory results (if required)

Reviewer Checklist

• Perform code review
• Pull request was adequately tested (new/existing tests, performance tests)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (feature/disable-inst-by-config@4c332fc). Click here to learn what that means.

Additional details and impacted files

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##             feature/disable-inst-by-config    #2234   +/-   ##
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[chynesNR]

Looks good!