IServiceManager: Improve getService responsiveness in absence of service

    {

        unsigned n;

        for (n = 0; n < 5; n++){

            if (n > 0) {

                ALOGI("Waiting for service %s...", String8(name).string());

                sleep(1);

            }

            sp<IBinder> svc = checkService(name);

            if (svc != NULL) return svc;

            ALOGI("Waiting for service %s...\n", String8(name).string());

            sleep(1);

        }

        return NULL;

    }