Add owner and target release comment for all Android Telephony flags

Test: manual
Bug: 329513737
Change-Id: Ie430da1e475d18e32bd2f3ba2ad38a1113c359c1
diff --git a/flags/calling.aconfig b/flags/calling.aconfig
index fa01bda..bdd0844 100644
--- a/flags/calling.aconfig
+++ b/flags/calling.aconfig
@@ -1,5 +1,6 @@
 package: "com.android.internal.telephony.flags"
 
+# OWNER=breadley TARGET=24Q3
 flag {
   name: "simultaneous_calling_indications"
   is_exported: true
@@ -9,6 +10,7 @@
   is_exported: true
 }
 
+# OWNER=yomna TARGET=24Q3
 flag {
   name: "show_call_fail_notification_for_2g_toggle"
   namespace: "telephony"