Merge "Tweak dark area thresholds." into sc-dev

    // We also check if the image has dark pixels in it,

    // to avoid bright images with some dark spots.

    private static final float DARK_PIXEL_CONTRAST = 5.5f;

    private static final float MAX_DARK_AREA = 0.025f;

    private static final float MAX_DARK_AREA = 0.05f;

    private final List<Color> mMainColors;

    private final Map<Integer, Integer> mAllColors;