git: openjdk/babylon: code-reflection: Model lifetimes of onnx session-related objects more explicitly

[Maurizio Cimadamore]

Changeset: 0380011c
Branch: code-reflection
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2025-03-03 22:04:23 +0000
URL:       https://git.openjdk.org/babylon/commit/0380011c784d9b40fe9c5de08109cc753f0cad90

Model lifetimes of onnx session-related objects more explicitly

Reviewed-by: asotona

! cr-examples/onnx/src/main/java/oracle/code/onnx/OnnxInterpreter.java
! cr-examples/onnx/src/main/java/oracle/code/onnx/OnnxRuntime.java
! cr-examples/onnx/src/test/java/oracle/code/onnx/RuntimeTest.java
! cr-examples/onnx/src/test/java/oracle/code/onnx/mnist/MNISTDemo.java