feat(Android, Stack): Add appearance API to customize tab bar items based on state

[t0maboro]

WIP - I'm facing some issues, when setting appearance values dynamically from JS. Additionally, the order of applying styles should be resolved for props.

Description

Changes

Before & after - visual documentation

Test plan

Checklist

• Included code example that can be used to test this change.
• Updated / created local changelog entries in relevant test files.
• For visual changes, included screenshots / GIFs / recordings documenting the change.
• For API changes, updated relevant public types.
• Ensured that CI passes