Add linker flags to support 16KB page size on Android.

In Android Studio, in the build.gradle file, using
implementation 'com.microsoft.onnxruntime:onnxruntime-extensions-android:0.13.0'
shows this warning
The native library arm64-v8a/libonnxruntime_extensions4j_jni.so (from com.microsoft.onnxruntime:onnxruntime-extensions-android:0.13.0) is not 16 KB aligned

See https://source.android.com/docs/core/architecture/16kb-page-size/16kb#build-lib-16kb-alignment
microsoft/onnxruntime#22076