feat(core): Add APIs to lazily evaluate log statements

[mattcreaser]

• PR title and description conform to Pull Request guidelines.

Issue #, if available:
#2730

Description of changes:
While evaluated observeQuery performance we noted that we were spending quite a lot of time constructing strings for verbose log messages. This PR adds an API to lazily perform potentially expensive log message construction, which can make a significant impact for some log statements.

How did you test these changes?
(Please add a line here how the changes were tested)

Documentation update required?

• No
• Yes (Please include a PR link for the documentation update)

General Checklist

• Added Unit Tests
• Added Integration Tests
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.