COnvert sync error to int

Bug: 8152259
Change-Id: I99fc99f70796c70ec0566c40ba350e10c36b90b7
diff --git a/core/java/android/content/SyncStatusInfo.java b/core/java/android/content/SyncStatusInfo.java
index 49e3e35..ff628d9 100644
--- a/core/java/android/content/SyncStatusInfo.java
+++ b/core/java/android/content/SyncStatusInfo.java
@@ -51,14 +51,13 @@
     }
 
     public int getLastFailureMesgAsInt(int def) {
-        try {
-            if (lastFailureMesg != null) {
-                return Integer.parseInt(lastFailureMesg);
-            }
-        } catch (NumberFormatException e) {
-            Log.d(TAG, "error parsing lastFailureMesg of " + lastFailureMesg, e);
+        final int i = ContentResolver.syncErrorStringToInt(lastFailureMesg);
+        if (i > 0) {
+            return i;
+        } else {
+            Log.d(TAG, "Unknown lastFailureMesg:" + lastFailureMesg);
+            return def;
         }
-        return def;
     }
 
     public int describeContents() {