CQ-4309362,CQ-4309347: Enhance parent pom generation to handle multiple parent poms and directly embed core bundles into all poms

[sarvkuma]

PR contains fix for both issue( CQ-4309362,CQ-4309347)Enhance parent pom generation to handle multiple parent poms ,Directly embed core bundles into all pom

Description

Related Issue

Motivation and Context

How Has This Been Tested?

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Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] I have signed the Adobe Open Source CLA.
• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.