Adding new setting LTE_SERVICE_FORCED.

Bug: 18328639
Change-Id: Icbf9d7987d27af34cbe4ee1b4e9df19e139c2fc7
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 0be4aea..3c12e06 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -6601,6 +6601,15 @@
         public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
 
         /**
+         * Whether user can enable/disable LTE as a preferred network. A carrier might control
+         * this via gservices, OMA-DM, carrier app, etc.
+         * <p>
+         * Type: int (0 for false, 1 for true)
+         * @hide
+         */
+        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
+
+        /**
          * Settings to backup. This is here so that it's in the same place as the settings
          * keys and easy to update.
          *