Move Java Blimp shell code to app subpackage

blimp/client/app/android/java/src/org/chromium/blimp/app/auth/TokenSource.java

 // Copyright 2015 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.blimp.auth;
+package org.chromium.blimp.app.auth;
 
 import android.content.Intent;
 
 import com.google.android.gms.common.ConnectionResult;
 
 /**
  * Interface for an object that can asynchronously retrieve and invalidate user authentication
  * tokens.
  */
 public interface TokenSource {
@@ skipping 64 matching lines @@
     int tokenIsInvalid(String token);
 
     /**
      * Notifies this {@link TokenSource} of a response from the {@link Intent} sent through
      * {@link Callback#onNeedsAccountToBeSelected(Intent)}.  The selected account will be parsed and
      * saved.  This won't automatically trigger another {@link #getToken()} attempt.
      * @param data The response {@link Intent} data.
      */
     void onAccountSelected(Intent data);
 }