Merge "Only spawn one binder thread for screencap." into oc-dev

int main(int argc, char** argv)

{

    // setThreadPoolMaxThreadCount(0) actually tells the kernel it's

    // not allowed to spawn any additional threads, but we still spawn

    // a binder thread from userspace when we call startThreadPool().

    // See b/36066697 for rationale

    ProcessState::self()->setThreadPoolMaxThreadCount(0);

    ProcessState::self()->startThreadPool();

    const char* pname = argv[0];