Update to newer Android Lint and suppress new Lint errors

chrome/android/java/src/org/chromium/chrome/browser/invalidation/InvalidationController.java

 // Copyright 2013 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.chrome.browser.invalidation;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.SystemClock;
 
 import com.google.ipc.invalidation.ticl.android2.channel.AndroidGcmController;
 
 import org.chromium.base.ApplicationState;
 import org.chromium.base.ApplicationStatus;
@@ skipping 105 matching lines @@
 
     /**
      * The amount of time after the RecentTabsPage is closed to unregister for session sync
      * invalidations. The delay is long to avoid registering and unregistering a lot if the user
      * visits the RecentTabsPage a lot.
      */
     private static final int UNREGISTER_FOR_SESSION_SYNC_INVALIDATIONS_DELAY_MS = 3600000; // 1hr
 
     private static final Object LOCK = new Object();
 
+    @SuppressLint("StaticFieldLeak")
     private static InvalidationController sInstance;
 
     private final Context mContext;
 
     /**
      * Whether session sync invalidations can be disabled.
      */
     private final boolean mCanDisableSessionInvalidations;
 
     /**
@@ skipping 211 matching lines @@
         // started if it did not stop itself when the application is paused.
         if (AndroidSyncSettings.isSyncEnabled(mContext)) {
             if (newState == ApplicationState.HAS_RUNNING_ACTIVITIES) {
                 start();
             } else if (newState == ApplicationState.HAS_PAUSED_ACTIVITIES) {
                 stop();
             }
         }
     }
 }