Merge "Fix comment of MeasuredText"

 * String text = "Hello, Android.";

 * MeasuredText mt = new MeasuredText.Builder(text.toCharArray())

 *      .appendStyleRun(paint, 7, false)  // Use paint for "Hello, "

 *      .appendStyleRun(bigPaint, 8, false)  // Use bigPaint for "Hello, "

 *      .appendStyleRun(bigPaint, 8, false)  // Use bigPaint for "Android."

 *      .build();

 * </code>

 * </pre>