Update to support long version codes.

Bug: 64459786
Test: manual
Change-Id: I401d14df1b7031c9abd6aa446417e32911993754
diff --git a/src/com/android/phone/CarrierConfigLoader.java b/src/com/android/phone/CarrierConfigLoader.java
index 2114ad8..366278f 100644
--- a/src/com/android/phone/CarrierConfigLoader.java
+++ b/src/com/android/phone/CarrierConfigLoader.java
@@ -749,7 +749,7 @@
     private String getPackageVersion(String packageName) {
         try {
             PackageInfo info = mContext.getPackageManager().getPackageInfo(packageName, 0);
-            return Integer.toString(info.versionCode);
+            return Long.toString(info.getLongVersionCode());
         } catch (PackageManager.NameNotFoundException e) {
             return null;
         }