Collect DataRatStateChanged atom

Bug: 318519337
Test: Build and Inpected log on device
Change-Id: Ic565a7a0f789a954f5a3983bdb013035ff80c732
diff --git a/flags/data.aconfig b/flags/data.aconfig
index fbd8508..54b6580 100644
--- a/flags/data.aconfig
+++ b/flags/data.aconfig
@@ -148,4 +148,12 @@
   namespace: "telephony"
   description: "Enable DSRS diagnostics."
   bug: "319601607"
-}
\ No newline at end of file
+}
+
+# OWNER=jackyu TARGET=24Q3
+flag {
+  name: "data_rat_metric_enabled"
+  namespace: "telephony"
+  description: "Write DataRatStateChanged atom"
+  bug:"318519337"
+}