Move JNI annotations to annotations package.

content/public/android/java/src/org/chromium/content/browser/BackgroundSyncLauncher.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.content.browser;
 
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
 
-import org.chromium.base.CalledByNative;
-import org.chromium.base.JNINamespace;
 import org.chromium.base.VisibleForTesting;
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.JNINamespace;
 
 /**
  * The {@link BackgroundSyncLauncher} singleton is created and owned by the C++ browser. It
  * registers interest in waking up the browser the next time the device goes online after the
  *browser closes via the {@link #setLaunchWhenNextOnline} method.
  *
  * Thread model: This class is to be run on the UI thread only.
  */
 @JNINamespace("content")
 public class BackgroundSyncLauncher {
@@ skipping 59 matching lines @@
      */
     protected static boolean hasInstance() {
         return sInstance != null;
     }
 
     private BackgroundSyncLauncher(Context context) {
         mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
         setLaunchWhenNextOnline(false);
     }
 }