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/misc.aconfig b/flags/misc.aconfig
index aabceca..c9816b9 100644
--- a/flags/misc.aconfig
+++ b/flags/misc.aconfig
@@ -24,6 +24,7 @@
 
 flag {
   name: "enable_wps_check_api_flag"
+  is_exported: true
   namespace: "telephony"
   description: "Enable system api isWpsCallNumber. Its an utility api to check if the dialed number is for Wireless Priority Service call."
   bug: "304272356"
@@ -59,6 +60,7 @@
 
 flag {
   name: "show_call_id_and_call_waiting_in_additional_settings_menu"
+  is_exported: true
   namespace: "telephony"
   description: "Expose carrier config KEY_ADDITIONAL_SETTINGS_CALLER_ID_VISIBILITY_BOOL and KEY_ADDITIONAL_SETTINGS_CALL_WAITING_VISIBILITY_BOOL."
   bug: "310264981"
@@ -66,6 +68,7 @@
 
 flag {
     name: "reset_mobile_network_settings"
+    is_exported: true
     namespace: "telephony"
     description: "Allows applications to launch Reset Mobile Network Settings page in Settings app."
     bug:"271921464"