Use return switch expressions in MediaSessionRecord

Bug: 295518668
Test: Non functional change
Change-Id: I5fb442514de0568c99dd99bd89945a66ee4d65aa
diff --git a/services/core/java/com/android/server/media/MediaSessionRecord.java b/services/core/java/com/android/server/media/MediaSessionRecord.java
index a9a8272..5b3934e 100644
--- a/services/core/java/com/android/server/media/MediaSessionRecord.java
+++ b/services/core/java/com/android/server/media/MediaSessionRecord.java
@@ -687,27 +687,20 @@
 
     private static String toVolumeControlTypeString(
             @VolumeProvider.ControlType int volumeControlType) {
-        switch (volumeControlType) {
-            case VOLUME_CONTROL_FIXED:
-                return "FIXED";
-            case VOLUME_CONTROL_RELATIVE:
-                return "RELATIVE";
-            case VOLUME_CONTROL_ABSOLUTE:
-                return "ABSOLUTE";
-            default:
-                return TextUtils.formatSimple("unknown(%d)", volumeControlType);
-        }
+        return switch (volumeControlType) {
+            case VOLUME_CONTROL_FIXED -> "FIXED";
+            case VOLUME_CONTROL_RELATIVE -> "RELATIVE";
+            case VOLUME_CONTROL_ABSOLUTE -> "ABSOLUTE";
+            default -> TextUtils.formatSimple("unknown(%d)", volumeControlType);
+        };
     }
 
     private static String toVolumeTypeString(@PlaybackInfo.PlaybackType int volumeType) {
-        switch (volumeType) {
-            case PLAYBACK_TYPE_LOCAL:
-                return "LOCAL";
-            case PLAYBACK_TYPE_REMOTE:
-                return "REMOTE";
-            default:
-                return TextUtils.formatSimple("unknown(%d)", volumeType);
-        }
+        return switch (volumeType) {
+            case PLAYBACK_TYPE_LOCAL -> "LOCAL";
+            case PLAYBACK_TYPE_REMOTE -> "REMOTE";
+            default -> TextUtils.formatSimple("unknown(%d)", volumeType);
+        };
     }
 
     @Override