Don't prevent group volume adjustment in SysUI

Flag: NONE
Test: Manually, using the MediaRouting demo app.
Test: atest MediaOutputControllerTest
Bug: b/329087598
Change-Id: Idf044cbc981e60675567c2c25bae45449ee700ec
Merged-In: Idf044cbc981e60675567c2c25bae45449ee700ec
diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java
index b3b7bce..fd08daf 100644
--- a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java
@@ -1188,9 +1188,7 @@
     }
 
     boolean isVolumeControlEnabled(@NonNull MediaDevice device) {
-        return (isPlayBackInfoLocal()
-                || device.getDeviceType() != MediaDevice.MediaDeviceType.TYPE_CAST_GROUP_DEVICE)
-                && !device.isVolumeFixed();
+        return !device.isVolumeFixed();
     }
 
     @Override