Fix incorrect static value usage in JNI array methods

[rh101]

Describe your changes

Refer to issue #2175 for the discussion regarding this issue.

JNI helper methods should not be caching data.

Use axstd::pod_vector instead of raw pointers to array data for callStaticIntArrayMethod and callStaticFloatArrayMethod. Array size is no longer limited to 32 items.

Issue ticket number and link

#2175

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