default cap button to use droid_off drawable

Change-Id: I2494512f31501c76f80bc814523513f5483e2d53
diff --git a/demokit/app/res/layout/main.xml b/demokit/app/res/layout/main.xml
index 4becaa0..6f093cf 100644
--- a/demokit/app/res/layout/main.xml
+++ b/demokit/app/res/layout/main.xml
@@ -81,7 +81,7 @@
         </TableRow>
         <TableRow android:layout_width="match_parent" android:id="@+id/tableRow9" android:layout_height="wrap_content">
             <TextView android:id="@+id/textView11" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:text="@string/cap"></TextView>
-            <ImageView android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_gravity="left" android:src="@drawable/redball" android:id="@+id/cap"></ImageView>
+            <ImageView android:layout_height="wrap_content" android:layout_width="wrap_content" android:layout_gravity="left" android:src="@drawable/droid_off" android:id="@+id/cap"></ImageView>
         </TableRow>
     </TableLayout>