Make it possible to dial an operator specific code

Added a new array config that indicating list of
FAC (feature access codes) to dial as a normal call.

Test: manual - Checked that special codes which configured in
CarrierConfig are dialed as a normal call.
Bug: 67664279

Change-Id: I1c4b60ae4f28c25e55b38563fe445f831793d466

telephony/java/android/telephony/CarrierConfigManager.java

@@ -1593,6 +1593,13 @@ public class CarrierConfigManager {
     public static final String KEY_SKIP_CF_FAIL_TO_DISABLE_DIALOG_BOOL =
             "skip_cf_fail_to_disable_dialog_bool";
 
+    /**
+     * List of the FAC (feature access codes) to dial as a normal call.
+     * @hide
+     */
+    public static final String KEY_FEATURE_ACCESS_CODES_STRING_ARRAY =
+            "feature_access_codes_string_array";
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
@@ -1864,6 +1871,7 @@ public class CarrierConfigManager {
         sDefaults.putStringArray(KEY_ROAMING_OPERATOR_STRING_ARRAY, null);
         sDefaults.putBoolean(KEY_SHOW_IMS_REGISTRATION_STATUS_BOOL, false);
         sDefaults.putBoolean(KEY_DISABLE_CHARGE_INDICATION_BOOL, false);
+        sDefaults.putStringArray(KEY_FEATURE_ACCESS_CODES_STRING_ARRAY, null);
     }
 
     /**