Feature/android auto search for flutter

[T04N]

Replace this paragraph with a description of what this PR is changing or adding, and why.

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Pre-launch Checklist

• I read the CONTRIBUTING.md and followed the process outlined there for submitting PRs.
• My change is not breaking and lands in minor branch OR my change is breaking and lands in major branch.
• If I'm the first to contribute to the next version, I incremented the version number in pubspec.yaml according to the pub versioning philosophy.
• I updated CHANGELOG.md to add a description of the change (format: * DESCRIPTION OF YOUR CHANGE (@your-git-username)).
• I updated/added relevant documentation (doc comments with ///).
• I ran dart analyze.
• I ran dart format.
• I ran flutter test and all tests are passing.

[T04N]

This PR implements search support for Android Auto, enabling users to initiate media search via voice or keyword input directly from the Android Auto interface. It also integrates with the Flutter layer to process and respond to search queries.