Merge "Check result of registerAsService in dumpstate." into oc-dev

using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;

using ::android::hardware::dumpstate::V1_0::implementation::DumpstateDevice;

using ::android::hardware::joinRpcThreadpool;

using ::android::OK;

using ::android::sp;

int main(int /* argc */, char* /* argv */ []) {

    sp<IDumpstateDevice> dumpstate = new DumpstateDevice;

    configureRpcThreadpool(1, true);

    dumpstate->registerAsService();

    configureRpcThreadpool(1, true /* will join */);

    if (dumpstate->registerAsService() != OK) {

        ALOGE("Could not register service.");

        return 1;

    }

    joinRpcThreadpool();

    ALOGE("Service exited!");

    return 1;

}