DroidScript: JS and Python IDE

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- Updated ApkBuilder to target API 36
- Updated ApkBuilder to use Billing v8
- Fixed SAF file write truncation bug.
- Fixed app.CreateShortcut bug in APKs.
- Added new app.GetSafeArea() method with 'cutout' and 'system' option.
- Fixed app.EnableBackKey(false) in Android 16 APKs.
- Fixed Google Play warning about 16 KB memory page sizes.
- Improved SAF support in all file handling functions.
- app.ListPermissions( "all/storage/internal/external/usb" ) now returns use-able URIs.