Show suppression msg under ringer slider

Instead of replacing the rigner slider, because the stream
isn't actually muted.

Change-Id: Id2c60d6c570084ed8febcaeb3b096a487f572312
Fixes: 77641315
Test: robotests

res/layout/preference_volume_slider.xml

@@ -72,9 +72,10 @@
                 android:orientation="vertical"/>
         </LinearLayout>
 
-        <FrameLayout
+        <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:orientation="vertical"
             android:layout_marginTop="6dp">
 
             <SeekBar
@@ -93,10 +94,11 @@
                 android:textAlignment="viewStart"
                 android:singleLine="true"
                 android:ellipsize="end"
+                android:visibility="gone"
                 android:textAppearance="@android:style/TextAppearance.Material.Body1"
                 android:textColor="?android:attr/textColorSecondary"/>
 
-        </FrameLayout>
+        </LinearLayout>
     </LinearLayout>
 
 </LinearLayout>