Update WindowState to Compose 1.2.0 and update sample

[khalp]

📃 Description

Updates dependencies for the WindowState library, including bumping to Compose 1.2.0 and gradle 7.2.0

Also updates the UI of the library sample to match changes made for the droidcon SF presentation

🤔 Motivation and Context

Keeps SDK up to date with latest stable releases

🧪 How Has This Been Tested?

Ran all library/sample tests

⚒️ Does the PR contain new tests or refactored old ones?

No

📷 Screenshots (if appropriate)

New UI:

📦 Types of changes

• [ ] New feature (non-breaking change which adds functionality)
• [x] Enhancement to a current functionality
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Bug fix (non-breaking change which fixes an issue. Please add issue link here too).

✅ Checklist

• [x] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] This PR contains new tests that cover the new code.
• [ ] This PR refactor previous tests to cover the new code.
• [ ] This PR is part of a set of PRs that build a bigger feature. If so, please, add here links to previously merged or open PRs.