onnxruntime

a5b4d2a8 - XNNPack: allow users to choose whether enable CPU MEM arena or not (#15392)

XNNPack: allow users to choose whether enable CPU MEM arena or not (#15392) ### Description XNNPack: allow users to choose whether enable CPU MEM arena or not. Right now it is hardcoded to true and it is not impacted by the on/off switch in SessionOption. We should make it work. ### Motivation and Context As we have such a switch in SessionOption, it should work as expected.