Fix an upgrade bug in SettingsProvider.

Bug: 2569112

Wrong usage of local method.

Change-Id: I9d7c68baa7cf8dd2b7e4345555c1edc374de94e6
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java b/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
index 0c0bf93..2b4714d 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
@@ -789,7 +789,8 @@
                         + " VALUES(?,?);");
     
                 // Set the timeout to 30 minutes in milliseconds
-                loadIntegerSetting(stmt, Settings.System.SCREEN_OFF_TIMEOUT, 30 * 60 * 1000);
+                loadSetting(stmt, Settings.System.SCREEN_OFF_TIMEOUT,
+                        Integer.toString(30 * 60 * 1000));
             } finally {
                 if (stmt != null) stmt.close();
             }