Add 3 feature flags for notification related fix

- reorganize_roaming_notification
- dismiss_network_selection_notification_on_sim_disable
- load_dds_on_create

Bug: 310594087
Bug: 310594186
Bug: 310591561
Test: built manually
Change-Id: I9f2176d61dea6523cc9660e8abb8c0ef78bda20b
diff --git a/flags/misc.aconfig b/flags/misc.aconfig
index afe6980..deda579 100644
--- a/flags/misc.aconfig
+++ b/flags/misc.aconfig
@@ -34,4 +34,25 @@
   namespace: "telephony"
   description: "Check if access to mobile network configs restricted before displaying call options"
   bug: "309655251"
-}
\ No newline at end of file
+}
+
+flag {
+  name: "reorganize_roaming_notification"
+  namespace: "telephony"
+  description: "Reorganize conditions to show and dismiss roaming notifications."
+  bug: "310594087"
+}
+
+flag {
+  name: "dismiss_network_selection_notification_on_sim_disable"
+  namespace: "telephony"
+  description: "Fix to dismiss network selection notification when disable sim."
+  bug: "310594186"
+}
+
+flag {
+  name: "load_dds_on_create"
+  namespace: "telephony"
+  description: "Load default data subid on create in PhoneGlobals."
+  bug: "310591561"
+}