Function has_memfd_support

app/src/main/cpp/utils/shared_memory.cpp:70–77

}

bool has_memfd_support() {
    /*
     * memfd is available when Build.SDK >= Q
     * /dev/ashmem is no longer accessible when SDK >= Q
     */
    static bool memfd_supported = testMemfdSupport();
    return memfd_supported;
}


/* logistics of getting file descriptor for ashmem */