Fix documentation for GradientDrawable.getCornerRadius

    }

    /**

     * Returns the radius for the corners of the gradient.

     * Returns the radius for the corners of the gradient, that was previously set with

     * {@link #setCornerRadius(float)}.

     * <p>

     * If the radius was previously set with {@link #setCornerRadii(float[])},

     * or if the corners are not rounded, this method will return {@code null}.

     * If the radius was previously cleared via passing {@code null}

     * to {@link #setCornerRadii(float[])}, this method will return 0.

     *

     * @return the radius in pixels of the corners of the rectangle shape, or 0

     * @see #setCornerRadius