add RAT related suggested actions to IMS registration with flagging

Bug: 290573256
Test: atest ImsPhoneTest
Change-Id: I903bdab4ef58edfd455de25b1bcdfb140bcb626d
diff --git a/flags/ims.aconfig b/flags/ims.aconfig
index 0fa1f1e..94c933c 100644
--- a/flags/ims.aconfig
+++ b/flags/ims.aconfig
@@ -27,3 +27,10 @@
     description: "This flag is created to prevent unnecessary updates when multiple provisioning items to update ims service are changed."
     bug:"302281114"
 }
+
+flag {
+    name: "add_rat_related_suggested_action_to_ims_registration"
+    namespace: "telephony"
+    description: "This flag is for adding suggested actions related to RAT to ims registration"
+    bug:"290573256"
+}