Revert "Use a build-specific wifi country code"

This reverts commit c33cd23c17c24df33550a6662cedfe60b323604a.

bug:11064682
Change-Id: I35825a7005e75f3abf02f23f31dee1cb7b101c31
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index b8cccb1..6c6635d 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -2797,6 +2797,7 @@
             MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
             MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
             MOVED_TO_GLOBAL.add(Settings.Global.WEB_AUTOFILL_QUERY_URL);
+            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
             MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
@@ -5207,6 +5208,12 @@
                "wifi_networks_available_repeat_delay";
 
        /**
+        * 802.11 country code in ISO 3166 format
+        * @hide
+        */
+       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
+
+       /**
         * The interval in milliseconds to issue wake up scans when wifi needs
         * to connect. This is necessary to connect to an access point when
         * device is on the move and the screen is off.