Show volume bar if MediaDevice is active device

This CL before, the volume bar will shown on the top device.
In this CL, the volume bar will shown on the active device.

Bug: 148765806
Test: manually
Change-Id: Id261201a4227151667c67ab91864cc349941372e
diff --git a/src/com/android/settings/media/MediaOutputSlice.java b/src/com/android/settings/media/MediaOutputSlice.java
index 36dba22..8e6da80 100644
--- a/src/com/android/settings/media/MediaOutputSlice.java
+++ b/src/com/android/settings/media/MediaOutputSlice.java
@@ -89,20 +89,28 @@
         final MediaDevice topDevice = isTouched ? worker.getTopDevice() : connectedDevice;
 
         if (topDevice != null) {
-            listBuilder.addInputRange(getActiveDeviceHeaderRow(topDevice));
+            addRow(topDevice, connectedDevice, listBuilder);
             worker.setTopDevice(topDevice);
         }
 
         for (MediaDevice device : devices) {
             if (topDevice == null
                     || !TextUtils.equals(topDevice.getId(), device.getId())) {
-                listBuilder.addRow(getMediaDeviceRow(device));
+                addRow(device, connectedDevice, listBuilder);
             }
         }
 
         return listBuilder.build();
     }
 
+    private void addRow(MediaDevice device, MediaDevice connectedDevice, ListBuilder listBuilder) {
+        if (TextUtils.equals(device.getId(), connectedDevice.getId())) {
+            listBuilder.addInputRange(getActiveDeviceHeaderRow(device));
+        } else {
+            listBuilder.addRow(getMediaDeviceRow(device));
+        }
+    }
+
     private ListBuilder.InputRangeBuilder getActiveDeviceHeaderRow(MediaDevice device) {
         final String title = device.getName();
         final IconCompat icon = getDeviceIconCompat(device);