Merge "Reverting code to old flashing code"

    CancelSnapshotIfNeeded();

    std::vector<char> contents;

    if (!fp_->source->ReadFile("fastboot-info.txt", &contents)) {

        LOG(VERBOSE) << "Flashing from hardcoded images. fastboot-info.txt is empty or does not "

                        "exist";

    HardcodedFlash();

    return;

}

    std::vector<std::unique_ptr<Task>> tasks =

            ParseFastbootInfo(fp_, Split({contents.data(), contents.size()}, "\n"));

    if (tasks.empty()) {

        LOG(FATAL) << "Invalid fastboot-info.txt file.";

    }

    LOG(VERBOSE) << "Flashing from fastboot-info.txt";

    for (auto& task : tasks) {

        task->Run();

    }

    if (fp_->wants_wipe) {

        // avoid adding duplicate wipe tasks in fastboot main code.

        fp_->wants_wipe = false;

    }

}

void FlashAllTool::CheckRequirements() {

    std::vector<char> contents;

    if (!fp_->source->ReadFile("android-info.txt", &contents)) {