code: public final boolean isDefault() {
      return mcc == 0
          && mnc == 0
          && isZeroes(language)
          && isZeroes(country)
          && orientation == 0
          && touchscreen == 0
          && density == 0
          && keyboard == 0
          && navigation == 0
          && inputFlags == 0
          && screenWidth == 0
          && screenHeight == 0
          && sdkVersion == 0
          && minorVersion == 0
          && screenLayout == 0
          && uiMode == 0
          && smallestScreenWidthDp == 0
          && screenWidthDp == 0
          && screenHeightDp == 0
          && isZeroes(localeScript)
          && isZeroes(localeVariant)
          && screenLayout2 == 0
          && colorMode == 0
          ;
    }
docs: Returns true if this is the default "any" configuration.