Fixed absolute path cache miss in workflow-testing.

[techexplorer1231]

Fixed absolute path cache miss in workflow-testing.

• Provided friendPaths using built-in property that is marked @internal.
• When you need to reference an artifact from another project, the best practice is to use Variant-aware sharing of artifacts between projects. With this strategy we can avoid directly referencing the configuration of another project and Gradle will set up proper task dependencies.

[CLAassistant]

All committers have signed the CLA.