for (Field field : Build.class.getFields()) {
    try {
        if (field.getType().isAssignableFrom(String.class)) {
            Timber.d("%16s: %s", field.getName(), field.get(null));
        }
    } catch (IllegalAccessException e) {
        Timber.w(e, "Failed to print %s", field.getName());
    }
}

for (Field field : Build.VERSION.class.getFields()) {
    try {
        if (field.getType().isAssignableFrom(String.class)) {
            Timber.d("%16s: %s", field.getName(), field.get(null));
        }
    } catch (IllegalAccessException e) {
        Timber.w(e, "Failed to print %s", field.getName());
    }
}