Add transfer reason meta data to default session

Bug: b/330479175
Test: tested manually
Change-Id: Ib568cb0cfef4a19ef808790829abc04001f76b99
diff --git a/services/core/java/com/android/server/media/SystemMediaRoute2Provider.java b/services/core/java/com/android/server/media/SystemMediaRoute2Provider.java
index 67bc61c..77926db 100644
--- a/services/core/java/com/android/server/media/SystemMediaRoute2Provider.java
+++ b/services/core/java/com/android/server/media/SystemMediaRoute2Provider.java
@@ -474,6 +474,10 @@
                                 .setProviderId(mUniqueId)
                                 .setSystemSession(true)
                                 .addSelectedRoute(MediaRoute2Info.ROUTE_ID_DEFAULT)
+                                .setTransferReason(newSessionInfo.getTransferReason())
+                                .setTransferInitiator(
+                                        newSessionInfo.getTransferInitiatorUserHandle(),
+                                        newSessionInfo.getTransferInitiatorPackageName())
                                 .build();
                 return true;
             }