[TIMOB-11899] Android: Map - The user location is not shown and the map is loaded partially

var tabGroup = Titanium.UI.createTabGroup();
var win1 = Titanium.UI.createWindow({  
    title:'Tab 1',
    backgroundColor:'#fff'
});
 
var tab1 = Titanium.UI.createTab({  
    icon:'KS_nav_views.png',
    title:'Tab 1',
    window:win1
});
var regionSV = {latitude:37.337681,longitude:-122.038193,latitudeDelta:0.04, longitudeDelta:0.04};
 
  var mapview = Titanium.Map.createView({
    mapType: Titanium.Map.STANDARD_TYPE,
    animate:true,
    region: regionSV,
    regionFit:true,
    userLocation:true,
    visible: true,
});
win1.add(mapview);
 
var win2 = Titanium.UI.createWindow({  
    title:'Tab 2',
    backgroundColor:'#fff'
});
var tab2 = Titanium.UI.createTab({  
    icon:'KS_nav_ui.png',
    title:'Tab 2',
    window:win2
});
 
var label2 = Titanium.UI.createLabel({
    color:'#999',
    text:'I am Window 2',
    font:{fontSize:20,fontFamily:'Helvetica Neue'},
    textAlign:'center',
    width:'auto'
});
 
win2.add(label2);
 
tabGroup.addTab(tab1);  
tabGroup.addTab(tab2);  
  
// open tab group
tabGroup.open();