[TIMOB-9856] MobileWeb: Black display appearing on top of keypad (Blackberry OS7)

Problem Description

When we focus the textfield in blackberry, we see a black display on top of the keypad. please find the screenshot attached.

Expected results

The keyboard showing without the black box on top.

Actual Results

The keyboard is having a blackbox on top.

Test Case

1. Create mobile project 2. add this to app.js

var win = Ti.UI.createWindow();

var scrolly = Titanium.UI.createScrollView({contentHeight:'auto'});
win.add(scrolly);

var tf1 = Titanium.UI.createTextField({
	color:'#336699',
	height:55,
	top:10,
	left:10,
	width:250,
});

win.add(tf1);

win.open();