[QNN EP] fix memory leak in OrtEpFactory::GetSupportedDevices() - #25968
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adrianlizarraga
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### Description Fixes memory leak in `OrtEpFactory::GetSupportedDevices()`. The `OrtKeyValuePairs` instance created by the factory was not released. This memory leak can be reproduced by running the unit test [QnnHTPBackendTests.AutoEp_PreferNpu](https://github.com/microsoft/onnxruntime/blob/4e2699fbf24d96d2a0261b30509864da08b701de/onnxruntime/test/providers/qnn/qnn_basic_test.cc#L1426). ### Motivation and Context Fix memory leak that one encounters when using automatic EP selection (e.g., PREFER_NPU) with QNN EP. (cherry picked from commit 8570298)
snnn
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### Description Fixes memory leak in `OrtEpFactory::GetSupportedDevices()`. The `OrtKeyValuePairs` instance created by the factory was not released. This memory leak can be reproduced by running the unit test [QnnHTPBackendTests.AutoEp_PreferNpu](https://github.com/microsoft/onnxruntime/blob/4e2699fbf24d96d2a0261b30509864da08b701de/onnxruntime/test/providers/qnn/qnn_basic_test.cc#L1426). ### Motivation and Context Fix memory leak that one encounters when using automatic EP selection (e.g., PREFER_NPU) with QNN EP. (cherry picked from commit 8570298)
snnn
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This PR cherry-picks the following PRs to the rel-1.23.0 branch: * #25938 * #25957 * #25960 * #25968 * #25971 --------- Co-authored-by: Dmitri Smirnov <yuslepukhin@users.noreply.github.com> Co-authored-by: Adrian Lizarraga <adlizarraga@microsoft.com> Co-authored-by: Hariharan Seshadri <shariharan91@gmail.com>
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Description
Fixes memory leak in
OrtEpFactory::GetSupportedDevices(). TheOrtKeyValuePairsinstance created by the factory was not released.This memory leak can be reproduced by running the unit test QnnHTPBackendTests.AutoEp_PreferNpu.
Motivation and Context
Fix memory leak that one encounters when using automatic EP selection (e.g., PREFER_NPU) with QNN EP.