兼容Android15 v4

Release v2.0.9: Publishing configuration optimization

This release optimizes the publishing configuration for better JitPack compatibility:

Changes:
- Updated version to 2.0.9 (versionCode 29)
- Adjusted publishing configuration by commenting out afterEvaluate block
- Maintained all FileDownloader dependency fixes from v2.0.8
- Improved JitPack build compatibility

Bug Fixes Carried Forward:
- FileDownloader NoClassDefFoundError fix
- Enhanced ProGuard configuration
- Proper dependency resolution

Compatibility:
- Fully backward compatible with v2.0.8
- No breaking changes