Fix google task list migration

app/src/main/java/com/todoroo/astrid/service/Upgrader.java

@@ -162,6 +162,10 @@ public class Upgrader {
       GoogleTaskAccount googleTaskAccount = new GoogleTaskAccount();
       googleTaskAccount.setAccount(account);
       googleTaskListDao.insert(googleTaskAccount);
+      for (GoogleTaskList list : googleTaskListDao.getAllLists()) {
+        list.setAccount(account);
+        googleTaskListDao.insertOrReplace(list);
+      }
     }
   }
 

app/src/main/java/org/tasks/gtasks/GoogleTaskSynchronizer.java

@@ -136,7 +136,6 @@ public class GoogleTaskSynchronizer {
     try {
       if (i == 0 || inventory.hasPro()) {
         synchronize(account);
-        account.setError("");
       } else {
         account.setError(context.getString(R.string.requires_pro_subscription));
       }
@@ -225,6 +224,7 @@ public class GoogleTaskSynchronizer {
       }
     }
     account.setEtag(eTag);
+    account.setError("");
   }
 
   private List<com.google.api.services.tasks.model.Task> fetchPositions(