designer/testData/layout/layout.xml - platform/tools/adt/idea - Git at Google

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="0dp"
     android:layout_height="0dp"
     android:orientation="vertical">

 </LinearLayout>
	<?xml version="1.0" encoding="utf-8"?>
	<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="0dp"
	android:layout_height="0dp"
	android:orientation="vertical">

	</LinearLayout>