Add bluetooth device type icons on MD system tray.

ash/resources/vector_icons/BUILD.gn

Index: ash/resources/vector_icons/BUILD.gn
diff --git a/ash/resources/vector_icons/BUILD.gn b/ash/resources/vector_icons/BUILD.gn
index 3303663c55a8c4c1aa8d99deac8be1db7bf74787..51964c8b188f199c219e8b64daa68c0ad8cf3626 100644
--- a/ash/resources/vector_icons/BUILD.gn
+++ b/ash/resources/vector_icons/BUILD.gn
@@ -66,10 +66,20 @@ action("aggregate_vector_icons") {
     "system_menu_cast.icon",
     "system_menu_child_user.1x.icon",
     "system_menu_child_user.icon",
+    "system_menu_computer.1x.icon",
+    "system_menu_computer.icon",
+    "system_menu_gamepad.1x.icon",
+    "system_menu_gamepad.icon",
+    "system_menu_headset.1x.icon",
+    "system_menu_headset.icon",
     "system_menu_help.1x.icon",
     "system_menu_help.icon",
     "system_menu_keyboard.1x.icon",
     "system_menu_keyboard.icon",
+    "system_menu_mouse.1x.icon",
+    "system_menu_mouse.icon",
+    "system_menu_phone.1x.icon",
+    "system_menu_phone.icon",
     "system_menu_power.1x.icon",
     "system_menu_power.icon",
     "system_menu_rotation_lock_auto.1x.icon",
@@ -87,6 +97,8 @@ action("aggregate_vector_icons") {
     "system_menu_timer.icon",
     "system_menu_update.1x.icon",
     "system_menu_update.icon",
+    "system_menu_videocam.1x.icon",
+    "system_menu_videocam.icon",
     "system_tray_accessibility.1x.icon",
     "system_tray_accessibility.icon",
     "system_tray_battery.1x.icon",