Improve monitor compatibility error, move feedback link into button

ash/resources/vector_icons/BUILD.gn

 # 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.
 
 action("aggregate_vector_icons") {
   visibility = [ ":*" ]
 
   script = "//ui/gfx/vector_icons/aggregate_vector_icons.py"
 
   icons = [
+    "display_notification.1x.icon",
+    "display_notification.icon",
     "ime_menu_emoticon.1x.icon",
     "ime_menu_emoticon.icon",
     "ime_menu_microphone.1x.icon",
     "ime_menu_microphone.icon",
     "ime_menu_on_screen_keyboard.1x.icon",
     "ime_menu_on_screen_keyboard.icon",
     "ime_menu_write.1x.icon",
     "ime_menu_write.icon",
     "network_badge_add_other.1x.icon",
     "network_badge_add_other.icon",
@@ skipping 22 matching lines @@
     "network_badge_technology_lte.1x.icon",
     "network_badge_technology_lte.icon",
     "network_badge_technology_lte_advanced.1x.icon",
     "network_badge_technology_lte_advanced.icon",
     "network_badge_vpn.1x.icon",
     "network_badge_vpn.icon",
     "network_ethernet.1x.icon",
     "network_ethernet.icon",
     "network_vpn.1x.icon",
     "network_vpn.icon",
+    "notification_feedback.1x.icon",
+    "notification_feedback.icon",
     "palette_action_capture_region.1x.icon",
     "palette_action_capture_region.icon",
     "palette_action_capture_screen.1x.icon",
     "palette_action_capture_screen.icon",
     "palette_action_create_note.1x.icon",
     "palette_action_create_note.icon",
     "palette_mode_laser_pointer.1x.icon",
     "palette_mode_laser_pointer.icon",
     "palette_mode_magnify.1x.icon",
     "palette_mode_magnify.icon",
@@ skipping 146 matching lines @@
 source_set("vector_icons") {
   sources = get_target_outputs(":aggregate_vector_icons")
   sources += [ "//ui/gfx/vector_icon_types.h" ]
 
   deps = [
     ":aggregate_vector_icons",
     "//base",
     "//skia",
   ]
 }