[Mobile] Could not activate JNI Handle 0x7ff647d7d0 (key_handle 0xd084f07) of Java type 'crc646e4b5c24e03cdbf9/MainActivity'

### Describe the issue

when I add onnxruntime in .net android and there is error:
`Could not activate JNI Handle 0x7ff647d7d0 (key_handle 0xd084f07) of Java type 'crc646e4b5c24e03cdbf9/MainActivity' `

### To reproduce

create android application.
add the package

here is the repo:https://github.com/ljzj2/XMedicalAndroid

### Urgency

_No response_

### Platform

Android

### OS Version

windows 10

### ONNX Runtime Installation

Built from Source

### Compiler Version (if 'Built from Source')

_No response_

### Package Name (if 'Released Package')

None

### ONNX Runtime Version or Commit ID

1.29.0

### ONNX Runtime API

C#

### Architecture

ARM64

### Execution Provider

Other / Unknown

### Execution Provider Library Version

_No response_

Start by reproducing the failure in the linked XMedicalAndroid repository using the reported ONNX Runtime 1.29.0 source build on .NET Android, ARM64, and Windows 10. Trace the `MainActivity` JNI activation error and compare the project’s package and runtime configuration. Done means the failure is reproduced with a documented cause and a verified resolution or a clearly narrowed missing detail.

Written by the indexing model from the issue text.