[TIMOB-27838] Android: Style default tableViewSection headerTitle using XML

var win = Ti.UI.createWindow({
	backgroundColor: "#fff"
});

var sectionFruit = Ti.UI.createTableViewSection({
	headerTitle: 'Fruit'
});
sectionFruit.add(Ti.UI.createTableViewRow({
	title: 'Apples',
	color: "#000"
}));
sectionFruit.add(Ti.UI.createTableViewRow({
	title: 'Bananas',
	color: "#000"
}));

var sectionVeg = Ti.UI.createTableViewSection({
	headerTitle: 'Vegetables'
});
sectionVeg.add(Ti.UI.createTableViewRow({
	title: 'Carrots',
	color: "#000"
}));
sectionVeg.add(Ti.UI.createTableViewRow({
	title: 'Potatoes',
	color: "#000"
}));

var table = Ti.UI.createTableView({
	data: [sectionFruit, sectionVeg]
});

win.add(table);
win.open();

var sectionFish = Ti.UI.createTableViewSection({
	headerTitle: 'Fish'
});
sectionFish.add(Ti.UI.createTableViewRow({
	title: 'Cod',
	color: "#000"
}));
sectionFish.add(Ti.UI.createTableViewRow({
	title: 'Haddock',
	color: "#000"
}));

table.insertSectionBefore(0, sectionFish);

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="headerTitleColor">#ff000000</color>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
   <dimen name="headerTitleSize">16sp</dimen>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
   <string name="headerTitleStyle">bold</string>
</resources>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
	<item>
		<shape android:shape="rectangle">
			<!-- Bottom Border -->
			<solid android:color="#33000000"/>
		</shape>
	</item>
	<item android:bottom="1dp">
		<shape android:shape="rectangle">
			<solid android:color="#ffff"/>
		</shape>
	</item>
</layer-list>