Update to newer Android Lint and suppress new Lint errors

chrome/android/java/src/org/chromium/chrome/browser/gsa/GSAState.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.chrome.browser.gsa;
 
 import android.accounts.Account;
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.text.TextUtils;
 
 import org.chromium.base.PackageUtils;
 import org.chromium.components.signin.ChromeSigninController;
 
 import java.util.List;
 
 /**
  * A class responsible fore representing the current state of Chrome's integration with GSA.
  */
 public class GSAState {
     private static final int GSA_VERSION_FOR_DOCUMENT = 300401021;
     private static final int GMS_CORE_VERSION = 6577010;
 
     static final String SEARCH_INTENT_PACKAGE = "com.google.android.googlequicksearchbox";
     private static final String GMS_CORE_PACKAGE = "com.google.android.gms";
 
     static final String SEARCH_INTENT_ACTION =
             "com.google.android.googlequicksearchbox.TEXT_ASSIST";
 
     /**
      * An instance of GSAState class encapsulating knowledge about the current status.
      */
+    @SuppressLint("StaticFieldLeak")
     private static GSAState sGSAState;
 
     /**
      * The application context to use.
      */
     private final Context mContext;
 
     /**
      * Caches the result of a computation on whether GSA is available.
      */
@@ skipping 81 matching lines @@
      * Check whether the given package meets min requirements for using full document mode.
      * @param packageName The package name we are inquiring about.
      * @param minVersion The minimum version for the package to be.
      * @return Whether the package exists on the device and its version is higher than the minimum
      *         required version.
      */
     private boolean isPackageAboveVersion(String packageName, int minVersion) {
         return PackageUtils.getPackageVersion(mContext, packageName) >= minVersion;
     }
 }