Merge "docs: fix code example" into qt-dev

/**

 * A structure describing general information about a display, such as its

 * size, density, and font scaling.

 * <p>To access the DisplayMetrics members, initialize an object like this:</p>

 * <pre> DisplayMetrics metrics = new DisplayMetrics();

 * getWindowManager().getDefaultDisplay().getMetrics(metrics);</pre>

 * <p>To access the DisplayMetrics members, retrieve display metrics like this:</p>

 * <pre>context.getResources().getDisplayMetrics();</pre>

 */

public class DisplayMetrics {

    /**