Resolve lint warnings related to ClickableViewAccessibility when a class overrides onTouch event.

chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellToolbar.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.shell;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.drawable.ClipDrawable;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
@@ skipping 165 matching lines @@
 
     private void initializeMenuButton() {
         ImageButton menuButton = (ImageButton) findViewById(R.id.menu_button);
         menuButton.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View view) {
                 if (mMenuHandler != null) mMenuHandler.showAppMenu(view, false, false);
             }
         });
         menuButton.setOnTouchListener(new OnTouchListener() {
+            @SuppressLint("ClickableViewAccessibility")
             @Override
             public boolean onTouch(View view, MotionEvent event) {
                 return mAppMenuButtonHelper != null && mAppMenuButtonHelper.onTouch(view, event);
             }
         });
     }
 
     private void initializeStopReloadButton() {
         mStopReloadButton = (ImageButton) findViewById(R.id.stop_reload_button);
         mStopReloadButton.setOnClickListener(new OnClickListener() {
@@ skipping 40 matching lines @@
         public void onLoadProgressChanged(Tab tab, int progress) {
             if (tab == mTab) ChromeShellToolbar.this.onLoadProgressChanged(progress);
         }
 
         @Override
         public void onUpdateUrl(Tab tab, String url) {
             if (tab == mTab) ChromeShellToolbar.this.onUpdateUrl(url);
         }
     }
 }