Merge "Add a delay between tests to make them more robust" into rvc-dev

#include <chrono>

#include <cstdint>

#include <random>

#include <thread>

using android::sp;

using android::hardware::hidl_vec;

        ASSERT_EQ(Status::OK, static_cast<Status>(ret2));

    }

    void TearDown() override {}

    void TearDown() override {

        // Hack to allow the asynchronous operations to finish on time.

        std::this_thread::sleep_for(std::chrono::milliseconds(250));

    }

    sp<IBiometricsFace> mService;

    sp<FaceCallback> mCallback;