jni 0.19.0

Rust JNI 0.19.0

on Rust Cargo

Added

• AutoArray and generic get_array_elements(), along with get_<type>_array_elements helpers. (#287)
• size() method to AutoArray and AutoPrimitiveArray. (#278 / #287)
• discard() method to AutoArray and AutoPrimitiveArray. (#275 / #287)

Changed

• Removed AutoPrimitiveArray::commit(). (#290)
• AutoByte/PrimitiveArray.commit() now returns Result. (#275)
• Removed methods get/release/commit_byte/primitive_array_{elements|critical}. (#281)
• Renamed methods get_auto_byte/long/primitive_array_{elements|critical} to
  get_byte/long/primitive_array_{elements|critical}. (#281)