Merge changes Ia3bba21c,I0ffc159b am: 83d9b680

RetCode FastBootDriver::HandleResponse(std::string* response, std::vector<std::string>* info,

                                       int* dsize) {

    char status[FB_RESPONSE_SZ + 1];

    auto start = std::chrono::system_clock::now();

    auto start = std::chrono::steady_clock::now();

    auto set_response = [response](std::string s) {

        if (response) *response = std::move(s);

    // erase response

    set_response("");

    while ((std::chrono::system_clock::now() - start) < std::chrono::seconds(RESP_TIMEOUT)) {

    while ((std::chrono::steady_clock::now() - start) < std::chrono::seconds(RESP_TIMEOUT)) {

        int r = transport_->Read(status, FB_RESPONSE_SZ);

        if (r < 0) {

            error_ = ErrnoStr("Status read failed");

            std::string tmp = input.substr(strlen("INFO"));

            info_(tmp);

            add_info(std::move(tmp));

            // We may receive one or more INFO packets during long operations,

            // e.g. flash/erase if they are back by slow media like NAND/NOR

            // flash. In that case, reset the timer since it's not a real

            // timeout.

            start = std::chrono::steady_clock::now();

        } else if (android::base::StartsWith(input, "OKAY")) {

            set_response(input.substr(strlen("OKAY")));

            return SUCCESS;