2.0.0

• Remove deprecated JobIntentService and replace with static service class
• Remove ShimPluginRegistry and PluginRegistrantCallback (V1 embedding)
• Remove FlutterNativeView import and references
• Update to use current FlutterEngine API for background isolates

BREAKING CHANGE: Requires Flutter 3.35.1+ and AGP 8+
This removes support for deprecated V1 embedding API