Settings: Add effects suppression text to Ring volume.

If the effects are being muted by a notification listener, display
a "Muted by <x>" msg instead of an active slider inside the
Ring/Notification volume setting pref.

Update volume pref design to optimize for this new custom appearance.

Depends on frameworks/base:
  Icdb5f85eb4bcaa1ead7d77c1460e06ad3f0604d5

Bug: 17461563
Change-Id: I6da871e16009370402451a2ff507de4762644a80

res/layout/preference_volume_slider.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="?android:attr/listPreferredItemHeight"
+    android:gravity="center_vertical"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_marginTop="8dip"
+        android:layout_marginBottom="8dip">
+
+        <TextView android:id="@android:id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:singleLine="true"
+            android:textAppearance="@android:style/TextAppearance.Material.Subhead"
+            android:textColor="?android:attr/textColorPrimary"
+            android:ellipsize="marquee"
+            android:fadingEdge="horizontal" />
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="6dp">
+
+            <ImageView
+                android:id="@android:id/icon"
+                android:layout_gravity="center_vertical|start"
+                android:layout_width="24dp"
+                android:layout_height="24dp" />
+
+            <SeekBar android:id="@*android:id/seekbar"
+                android:layout_marginStart="24dp"
+                android:layout_gravity="center_vertical"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+            <TextView android:id="@+id/suppression_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical|start"
+                android:textAlignment="viewStart"
+                android:layout_marginStart="24dp"
+                android:paddingStart="14dp"
+                android:singleLine="true"
+                android:ellipsize="end"
+                android:textAppearance="@android:style/TextAppearance.Material.Body1"
+                android:textColor="?android:attr/textColorSecondary" />
+
+        </FrameLayout>
+
+    </LinearLayout>
+
+</FrameLayout>