lib_llama_cpp_android 0.7.3

Android native build and Dart registration for lib_llama_cpp.

Unreleased

• Report bundled Android release libraries as CPU-only and document separate Vulkan GitHub release assets.
• Added unsupported-capability errors for bundled Android libraries and custom-path capability reporting for caller-provided backend builds.

0.4.0

• Linked native builds with llama.cpp common chat utilities and mtmd multimodal support.
• Prefer packaged prebuilt CPU-only Android libraries when present, with source-build fallback for monorepo development.

0.1.0

• Initial Android federated plugin implementation.
• Added native library descriptor registration and Android FFI plugin metadata.