[TIMOB-20477] Android: Request to support Superscript/Subscript Attributed String

   var win = Titanium.UI.createWindow({
       backgroundColor: '#ddd',
   });
    
   var attr = Titanium.UI.createAttributedString({
       text: 'x2 + y3, hello world!',
       attributes: [
           {
               type: Titanium.UI.ATTRIBUTE_SUPERSCRIPT_STYLE,
               range: [1, 1]
           },
           {
               type: Titanium.UI.ATTRIBUTE_SUPERSCRIPT_STYLE,
               range: [6, 1]
           },
           {
               type: Titanium.UI.ATTRIBUTE_SUBSCRIPT_STYLE,
               range: [15, 5]
           }
       ]
   });
    
   var label = Titanium.UI.createLabel({
       height: 50,
       color: "#000",
       attributedString: attr
   });
    
   win.add(label);
   win.open();