Merge "Update WebView.postUrl documentation." into klp-dev

     * {@link #loadUrl(String)} instead.

     *

     * @param url the URL of the resource to load

     * @param postData the data will be passed to "POST" request

     * @param postData the data will be passed to "POST" request, which must be

     *     be "application/x-www-form-urlencoded" encoded.

     */

    public void postUrl(String url, byte[] postData) {

        checkThread();