Update to newer Android Lint and suppress new Lint errors

chrome/test/android/cast_emulator/src/org/chromium/chrome/browser/media/remote/RemoteSessionManager.java

 // Copyright 2014 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.media.remote;
 
+import android.annotation.SuppressLint;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.net.Uri;
 import android.support.v7.media.MediaItemStatus;
 import android.support.v7.media.MediaSessionStatus;
 
 import org.chromium.base.Log;
 
 /**
  * RemoteSessionManager emulates the session management of the playback of media items on
@@ skipping 21 matching lines @@
         return sInstance;
     }
 
     private String mName;
     private int mSessionId;
     private int mItemId;
     private boolean mPaused;
     private boolean mSessionValid;
     private DummyPlayer mPlayer;
     private MediaItem mCurrentItem;
+    @SuppressLint("StaticFieldLeak")
     private static RemoteSessionManager sInstance;
 
     private LocalSessionManager mLocalSessionManager;
     private Context mContext;
 
     private RemoteSessionManager(String name, Context context) {
         mName = name;
         mContext = context;
     }
 
@@ skipping 292 matching lines @@
         updateStatus();
     }
 
     private void onItemChanged() {
         if (mLocalSessionManager != null) {
             mLocalSessionManager.onItemChanged(mCurrentItem);
         }
     }
 
 }