Add feature flag to notify the initial IMS provisioning statue

Bug: 330082572
Test: build pass
Change-Id: I1a7f111bc59f503fbe0a220ab6d6038b109336e6
diff --git a/flags/ims.aconfig b/flags/ims.aconfig
index 4dbd8aa..b6111e5 100644
--- a/flags/ims.aconfig
+++ b/flags/ims.aconfig
@@ -92,3 +92,14 @@
         purpose: PURPOSE_BUGFIX
     }
 }
+
+# OWNER=joonhunshin TARGET=24Q3
+flag {
+    name: "notify_initial_ims_provisioning_status"
+    namespace: "telephony"
+    description: "This flag allows to notify initial IMS provisioning status when IFeatureProvisioningCallback registered or ImsService connected"
+    bug:"330082572"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}