[TIMOB-23186] Android: Webview has blacklistedURLs property implemented

[ashcoding]

JIRA: https://jira.appcelerator.org/browse/TIMOB-23186

To test, scroll down to the bottom of the webview and press Terms of Use and Privacy Policy links.
Note that Ti.API.info("load = e.url=" + e.url); is not called for both of the links.

Test code:

var win = Ti.UI.createWindow({
    backgroundColor : 'black',
    layout : 'vertical'
});

var webview = Titanium.UI.createWebView({
    blacklistedURLs : [ 'https://m.wikimediafoundation.org/wiki/Terms_of_Use' , 'https://wikimediafoundation.org/wiki/Privacy_policy' ],
    url : 'https://en.m.wikipedia.org/wiki/Main_Page'
});

webview.addEventListener('load', function(e) {
        // This should not be called for blacklistedUrls
    Ti.API.info("load = e.url=" + e.url);
});

win.add(webview);
win.open();

[hieupham007]

Code reviewed. Looks good. Just a minor doc comment

[hieupham007]

should be documented as creationOnly property

[ashcoding]

Comment addressed.