Change selected keyword search icon to the same icon used for default

ui/gfx/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 433 matching lines @@
     "vector_icons/folder_managed.1x.icon",
     "vector_icons/folder_managed.icon",
     "vector_icons/folder_supervised.1x.icon",
     "vector_icons/folder_supervised.icon",
     "vector_icons/fullscreen.icon",
     "vector_icons/globe.icon",
     "vector_icons/help_outline.icon",
     "vector_icons/image.icon",
     "vector_icons/incognito.1x.icon",
     "vector_icons/incognito.icon",
-    "vector_icons/keyword_search.1x.icon",
-    "vector_icons/keyword_search.icon",
     "vector_icons/laptop.icon",
     "vector_icons/location_bar_http.1x.icon",
     "vector_icons/location_bar_http.icon",
     "vector_icons/location_bar_https_invalid.1x.icon",
     "vector_icons/location_bar_https_invalid.icon",
     "vector_icons/location_bar_https_valid.1x.icon",
     "vector_icons/location_bar_https_valid.icon",
     "vector_icons/location_bar_https_valid_in_chip.1x.icon",
     "vector_icons/location_bar_https_valid_in_chip.icon",
     "vector_icons/location_bar_star.icon",
@@ skipping 349 matching lines @@
 if (is_android) {
   generate_jni("gfx_jni_headers") {
     sources = [
       "../android/java/src/org/chromium/ui/gfx/BitmapHelper.java",
       "../android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java",
       "../android/java/src/org/chromium/ui/gfx/ViewConfigurationHelper.java",
     ]
     jni_package = "gfx"
   }
 }