Export flags used in FlaggedApi annotations

Before calling a flagged API, client code must check the value of the flag
which gates it. Those flags must be exported in order to be accessible from
containers other than the container where the flag and the API are hosted.

Bug: 320984775
Bug: 322839671

Test: m all_aconfig_declarations
Test: printflags --format='{fully_qualified_name}:{is_exported}' | grep true

Change-Id: Ice408bfc5db107c1b4db043fd9a2cdcf05498bc9
diff --git a/flags/subscription.aconfig b/flags/subscription.aconfig
index cebedd5..1e1c073 100644
--- a/flags/subscription.aconfig
+++ b/flags/subscription.aconfig
@@ -2,6 +2,7 @@
 
 flag {
   name: "work_profile_api_split"
+  is_exported: true
   namespace: "telephony"
   description: "To support separation between personal and work from TelephonyManager and SubscriptionManager API perspective."
   bug: "296076674"
@@ -9,6 +10,7 @@
 
 flag {
   name: "enforce_subscription_user_filter"
+  is_exported: true
   namespace: "telephony"
   description: "Enabled flag means subscriptions enforce filtering result base on calling user handle. It marks the telephony completion of user filtering."
   bug: "296076674"
@@ -16,6 +18,7 @@
 
 flag {
   name: "data_only_cellular_service"
+  is_exported: true
   namespace: "telephony"
   description: "Supports customized cellular service capabilities per subscription."
   bug: "296097429"
@@ -30,6 +33,7 @@
 
 flag {
   name: "support_psim_to_esim_conversion"
+  is_exported: true
   namespace: "telephony"
   description: "Support the psim to esim conversion."
   bug: "315073761"
@@ -37,6 +41,7 @@
 
 flag {
   name: "subscription_user_association_query"
+  is_exported: true
   namespace: "telephony"
   description: "Supports querying if a subscription is associated with the caller"
   bug: "325045841"