Added menu button to blimp toolbar

blimp/client/app/android/java/res/layout/toolbar_popup_item.xml

Index: blimp/client/app/android/java/res/layout/toolbar_popup_item.xml
diff --git a/chrome/android/java/res/layout/bookmark_popup_item.xml b/blimp/client/app/android/java/res/layout/toolbar_popup_item.xml
similarity index 68%
copy from chrome/android/java/res/layout/bookmark_popup_item.xml
copy to blimp/client/app/android/java/res/layout/toolbar_popup_item.xml
index 3c918d4c092432adf9860810d1302a3147638ae9..026be2f39b759282906ea989218ccca66a0136cb 100644
--- a/chrome/android/java/res/layout/bookmark_popup_item.xml
+++ b/blimp/client/app/android/java/res/layout/toolbar_popup_item.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright 2015 The Chromium Authors. All rights reserved.
+<!-- Copyright 2016 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. -->
 
@@ -7,6 +7,7 @@
     android:layout_width="match_parent"
     android:layout_height="?android:attr/listPreferredItemHeightSmall"
     android:paddingStart="?android:attr/listPreferredItemPaddingLeft"
-    android:textColor="@color/dark_mode_tint"
     android:gravity="center_vertical"
-    android:textSize="16sp" />
+    android:background="@color/default_white_background"
+    android:textColor="@color/default_dark_text_color"
+    android:textSize="16sp" />