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: I8c8c01361bc8c2c4f9fdd3667c80d673ec540558
diff --git a/flags/ipsec_flags.aconfig b/flags/ipsec_flags.aconfig
index fb96e40..da278a0 100644
--- a/flags/ipsec_flags.aconfig
+++ b/flags/ipsec_flags.aconfig
@@ -3,6 +3,7 @@
 
 flag {
   name: "liveness_check_api"
+  is_exported: true
   namespace: "ipsec"
   description: "This is a new feature includes APIs to check liveness and notify liveness status."
   bug: "286171724"
@@ -10,6 +11,7 @@
 
 flag {
   name: "dpd_disable_api"
+  is_exported: true
   namespace: "ipsec"
   description: "Expose API to support Disabling DPD."
   bug: "306556977"
@@ -17,6 +19,7 @@
 
 flag {
   name: "dumpsys_api"
+  is_exported: true
   namespace: "ipsec"
   description: "Expose API to dump ike session info for debugging support."
   bug: "308513922"
@@ -24,6 +27,7 @@
 
 flag {
   name: "enabled_ike_options_api"
+  is_exported: true
   namespace: "ipsec"
   description: "Expose API to return enabled IKE options"
   bug: "308513922"