Fixing all Java import ordering issues.

sync/android/java/src/org/chromium/sync/signin/AccountManagerHelper.java

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.sync.signin;
 
 
-import com.google.common.annotations.VisibleForTesting;
-
 import android.accounts.Account;
 import android.accounts.AccountManager;
 import android.accounts.AccountManagerFuture;
 import android.accounts.AuthenticatorDescription;
 import android.accounts.AuthenticatorException;
 import android.accounts.OperationCanceledException;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.util.Log;
 
+import com.google.common.annotations.VisibleForTesting;
+
 import org.chromium.base.ThreadUtils;
 import org.chromium.net.NetworkChangeNotifier;
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.List;
+
 import javax.annotation.Nullable;
 
 /**
  * AccountManagerHelper wraps our access of AccountManager in Android.
  *
  * Use the AccountManagerHelper.get(someContext) to instantiate it
  */
 public class AccountManagerHelper {
 
     private static final String TAG = "AccountManagerHelper";
@@ skipping 302 matching lines @@
             null, account, authTokenType, callback, numTries, errorEncountered, null);
     }
 
     /**
      * Removes an auth token from the AccountManager's cache.
      */
     public void invalidateAuthToken(String authToken) {
         mAccountManager.invalidateAuthToken(GOOGLE_ACCOUNT_TYPE, authToken);
     }
 }