RESTRICT AUTOMERGE
Set the container field of aconfig flags

Test: printflags --format='{package}:{container}:' | grep "::"
Bug: 312769710
Flag: NONE
Change-Id: I10b496c347943b5dbf0434c7d739191aa1985231
diff --git a/flags/telecom_call_flags.aconfig b/flags/telecom_call_flags.aconfig
index b5ea6a2..27a4b22 100644
--- a/flags/telecom_call_flags.aconfig
+++ b/flags/telecom_call_flags.aconfig
@@ -1,4 +1,5 @@
 package: "com.android.server.telecom.flags"
+container: "system"
 
 flag {
   name: "transactional_cs_verifier"