[TIMOB-23309] Android: Redirects are not being followed in HTTPClient

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JIRA: https://jira.appcelerator.org/browse/TIMOB-23309

See ticket for test case.

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Classic test code:-

var OS_ANDROID = true;

function resourcePDF(e) {
    openResourcePDF();
}

function urlPDF(e) {
    openURLPDF();
}

function viewPDF(appfilepath) {
    Ti.API.info("A:"+appfilepath);
    if (OS_ANDROID) {
        try {
            Ti.Android.currentActivity.startActivity(Ti.Android.createIntent({
                action : Ti.Android.ACTION_VIEW,
                type : 'application/pdf',
                data : appfilepath
            }));
        } catch(e) {
            Ti.API.info('error trying to launch activity, e = ' + e);
            alert('No PDF apps installed!');
        }
    } else {
        docViewer = Ti.UI.iOS.createDocumentViewer({
            url : appfilepath
        });
        docViewer.show();
    }
}

function openResourcePDF() {
    var appFile;

    if (OS_ANDROID) {
        //copy from app directory to SDCard (once)
        var originalFile = Ti.Filesystem.getFile(Ti.Filesystem.resourcesDirectory, 'pdf/sample.pdf');
        appFile = Ti.Filesystem.getFile(Ti.Filesystem.externalStorageDirectory, 'sample.pdf');
        if (appFile.exists() === false) {
            appFile.write(originalFile.read());
        }
    } else {
        appFile = Ti.Filesystem.getFile(Ti.Filesystem.resourcesDirectory, 'pdf/sample.pdf');
    }
    var appfilepath = appFile.nativePath;

    viewPDF(appfilepath);
}

function openURLPDF() {
    var appFile;

    if (OS_ANDROID) {
        appFile = Ti.Filesystem.getFile(Ti.Filesystem.externalStorageDirectory, 'map.pdf');
    } else {
        appFile = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, 'map.pdf');
    }
    var appfilepath = appFile.nativePath;

    //Check if file has been downloaded yet
    if (appFile.exists() === false) {
        var xhr = Ti.Network.createHTTPClient();
        xhr.onload = function() {
            Ti.API.info('status code ' + this.status);
            Ti.API.info(this.responseData);
            appFile.write(this.responseData);
            viewPDF(appfilepath);

        };
        xhr.onerror = function() {
            alert("Cannot retrieve PDF form web site");
        };
        xhr.timeout = 10000;
        xhr.open("GET", "http://dev-cms-molpower.trafficmanager.net/ServiceProfileFileHandler.ashx?svc=CMI&file=FirstSchedule.pdf");
        xhr.send();
    } else {
        viewPDF(appfilepath);
    }


}


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

var button1 = Titanium.UI.createButton({
title: 'resourcePDF',
top: 30,
width: 100,
height: 50
});

var button2 = Titanium.UI.createButton({
title: 'urlPDF',
top: 100,
width: 100,
height: 50
});


button1.addEventListener('click',function(e)
{
    Ti.API.info("Pressed");
    resourcePDF();

});
win.add(button1);

button2.addEventListener('click',function(e)
{
    Ti.API.info("Pressed");
    urlPDF();
});
win.add(button2);

win.open();

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Do note that you should have an app on Android that can open a PDF file for it to successfully launch and open the PDF.

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Had to merge Master due to conflict.

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Merging