Fix Layout Issue in Verifier

When there aren't any suid apps, there would be no
pass/fail buttons to tap. This is because the empty
view was missing a weight value and pushed everything
off screen.

Change-Id: Id41448d5aa14f6ac975ba1ce3c28b58d4f999803
diff --git a/apps/CtsVerifier/res/layout/pass_fail_list.xml b/apps/CtsVerifier/res/layout/pass_fail_list.xml
index 3c1f9d0..0b247f4 100644
--- a/apps/CtsVerifier/res/layout/pass_fail_list.xml
+++ b/apps/CtsVerifier/res/layout/pass_fail_list.xml
@@ -28,6 +28,7 @@
     <TextView android:id="@id/android:empty"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
+            android:layout_weight="1"
             />
 
     <include layout="@layout/pass_fail_buttons" />