Fixed the incorrect flag type

Bug: 353723350
Test: Build
Flag: EXEMPT flag fix
Change-Id: I20c7d4b75b003cdc4901d3b2c0a9b3bf12e106c7
diff --git a/flags/data.aconfig b/flags/data.aconfig
index ccd5db4..321ac6b 100644
--- a/flags/data.aconfig
+++ b/flags/data.aconfig
@@ -102,12 +102,15 @@
   bug:"318519337"
 }
 
-# OWNER=jackyu TARGET=24Q4
+# OWNER=jackyu TARGET=25Q1
 flag {
   name: "dds_callback"
   namespace: "telephony"
   description: "Adding new callback when DDS changed"
   bug:"353723350"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
 }
 
 # OWNER=jackyu TARGET=25Q1