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Previously, the NNAPI used std::chrono::steady_clock to represent and measure timings. However, steady_clock does not count while the system is suspended. Instead, boot_clock is monotonic like steady_clock but does include the time when the system is suspended. This change also indicates that services may convert from std::chrono::steady_clock::time_point to android::base::boot_clock::time_point in the HIDL 1.3 NN HAL. Bug: 183118340 Test: mma Test: VtsHalNeuralnetworksV1_3TargetTest Test: VtsHalNeuralnetworksTargetTest Test: presubmit Change-Id: I5a7d039a31d9ce98602a301387ec99635f279f42 Merged-In: I5a7d039a31d9ce98602a301387ec99635f279f42
NeuralNetworks sample driver implementation is located at frameworks/ml/nn/driver/sample.