IMS:change enhanced 4g setting to store in setting db.

Change-Id: I2ec37478e2bef5b15b157e490f75d5dda5f97117

core/java/android/provider/Settings.java

@@ -6587,6 +6587,14 @@ public final class Settings {
          */
         public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
 
+        /**
+         * Whether the Volte/VT is enabled
+         * <p>
+         * Type: int (0 for false, 1 for true)
+         * @hide
+         */
+        public static final String VOLTE_VT_ENABLED = "volte_vt_enabled";
+
         /**
          * Settings to backup. This is here so that it's in the same place as the settings
          * keys and easy to update.

packages/SettingsProvider/Android.mk

@@ -5,7 +5,7 @@ LOCAL_MODULE_TAGS := optional
 
 LOCAL_SRC_FILES := $(call all-subdir-java-files)
 
-LOCAL_JAVA_LIBRARIES := telephony-common
+LOCAL_JAVA_LIBRARIES := telephony-common ims-common
 
 LOCAL_PACKAGE_NAME := SettingsProvider
 LOCAL_CERTIFICATE := platform

packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java

@@ -43,6 +43,7 @@ import android.provider.Settings.Secure;
 import android.text.TextUtils;
 import android.util.Log;
 
+import com.android.ims.ImsConfig;
 import com.android.internal.content.PackageHelper;
 import com.android.internal.telephony.RILConstants;
 import com.android.internal.telephony.cdma.CdmaSubscriptionSourceManager;
@@ -70,7 +71,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
     // database gets upgraded properly. At a minimum, please confirm that 'upgradeVersion'
     // is properly propagated through your change.  Not doing so will result in a loss of user
     // settings.
-    private static final int DATABASE_VERSION = 113;
+    private static final int DATABASE_VERSION = 114;
 
     private Context mContext;
     private int mUserHandle;
@@ -1827,6 +1828,20 @@ public class DatabaseHelper extends SQLiteOpenHelper {
             upgradeVersion = 113;
         }
 
+        if (upgradeVersion < 114) {
+            db.beginTransaction();
+            SQLiteStatement stmt = null;
+            try {
+                stmt = db.compileStatement("INSERT OR IGNORE INTO global(name,value)"
+                        + " VALUES(?,?);");
+                loadSetting(stmt, Settings.Global.VOLTE_VT_ENABLED, ImsConfig.FeatureValueConstants.ON);
+                db.setTransactionSuccessful();
+            } finally {
+                db.endTransaction();
+                if (stmt != null) stmt.close();
+            }
+            upgradeVersion = 114;
+        }
         // *** Remember to update DATABASE_VERSION above!
 
         if (upgradeVersion != currentVersion) {
@@ -2569,6 +2584,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
 
             loadBooleanSetting(stmt, Settings.Global.GUEST_USER_ENABLED,
                     R.bool.def_guest_user_enabled);
+            loadSetting(stmt, Settings.Global.VOLTE_VT_ENABLED, ImsConfig.FeatureValueConstants.ON);
             // --- New global settings start here
         } finally {
             if (stmt != null) stmt.close();