Move Java Blimp shell code to app subpackage

blimp/client/app/android/java/src/org/chromium/blimp/app/auth/TokenSourceImpl.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.accounts.Account;
 import android.accounts.AccountManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.AsyncTask;
 
 import com.google.android.gms.auth.GoogleAuthException;
 import com.google.android.gms.auth.GoogleAuthUtil;
 import com.google.android.gms.auth.GooglePlayServicesAvailabilityException;
 import com.google.android.gms.auth.UserRecoverableNotifiedException;
 import com.google.android.gms.common.ConnectionResult;
 
 import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.base.ThreadUtils;
-import org.chromium.blimp.R;
+import org.chromium.blimp.app.R;
 
 import java.io.IOException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * An implementation of TokenSource that handles querying {@link GoogleAuthUtil} for a valid
  * authentication token for a particular user account.  The user account will be saved as an
  * application preference once set.  See {@link TokenSource} for information on how callers know
  * whether or not an account is set and how they set one.
  */
@@ skipping 141 matching lines @@
 
             if (token == null) {
                 mCallback.onTokenUnavailable(mIsRecoverable.get());
             } else {
                 mCallback.onTokenReceived(token);
             }
             if (mTokenQueryTask == TokenQueryTask.this) mTokenQueryTask = null;
         }
     }
 }