Fix UI

bug:7328726

- add one pixel border
- hide parameter value on certain effects
- increase scale for border icons

Change-Id: Iffacec18477895701cba069500ee617bf3f9f2b7
diff --git a/res/layout/filtershow_activity.xml b/res/layout/filtershow_activity.xml
index 0e15732..fd1fb91 100644
--- a/res/layout/filtershow_activity.xml
+++ b/res/layout/filtershow_activity.xml
@@ -360,6 +360,11 @@
             </HorizontalScrollView>
         </FrameLayout>
 
+        <View
+            android:background="@color/toolbar_separation_line"
+            android:layout_height="1dip"
+            android:layout_width="match_parent" />
+
         <com.android.gallery3d.filtershow.CenteredLinearLayout
               xmlns:custom="http://schemas.android.com/apk/res/com.android.gallery3d"
               android:id="@+id/mainPanel"