Merge "Make getDimension's Javadoc say it returns px."

     *           tool. This integer encodes the package, type, and resource

     *           entry. The value 0 is an invalid identifier.

     * 

     * @return Resource dimension value multiplied by the appropriate 

     * metric.

     * @return Resource dimension value multiplied by the appropriate metric to convert to pixels.

     * 

     * @throws NotFoundException Throws NotFoundException if the given ID does not exist.

     *