Integrate value marshalling performance improvement

[Chaoba]

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Fixes: < Link to related issues that will be fixed by this pull request, if they exist >

Pull request checklist:

• Briefly describe the changes in this PR.
• Include before/after visuals or gifs if this PR includes visual changes.
• Write tests for all new functionality. If tests were not written, please explain why.
• Add example if relevant.
• Document any changes to public APIs.
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• Add an entry inside this element for inclusion in the mapbox-maps-android changelog: <changelog>Integrate value marshalling performance improvement</changelog>.

Summary of changes

Use fromJson method in Value directly instead of using ValueConverter.fromJson() to improve performance.
Try to load long_route.json on XiaoMi 8

Method	Time(nanoseconds)
ValueConverter.fromJson	2945885468
Value.fromJson	873840938

User impact (optional)

[kiryldz]

@Chaoba is it possible already to measure time before and after this improvement in our examples?
Or does it help only if working with large json's?

[pengdev]

Great cleanup 👍 do we have a benchmark that we can see the performance improvements?

[Chaoba]

Updated the load time with two different methods in pr description.

[tobrun]

Updated the load time with two different methods in pr description.

Those numbers look great!