Back up / restore spell checker configuration

Bug 19779845

Change-Id: Ib8382f0296f0726b64494d3b1fd8237e13adb540
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 4c452aa..0cc3255 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -5398,6 +5398,9 @@
             WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
             WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
             WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
+            SELECTED_SPELL_CHECKER,
+            SELECTED_SPELL_CHECKER_SUBTYPE,
+            SPELL_CHECKER_ENABLED,
             MOUNT_PLAY_NOTIFICATION_SND,
             MOUNT_UMS_AUTOSTART,
             MOUNT_UMS_PROMPT,