Move all event related devices from ui/events/ to ui/events/devices/

ui/events/devices/keyboard_device.cc

Index: ui/events/devices/keyboard_device.cc
diff --git a/ui/events/keyboard_device.cc b/ui/events/devices/keyboard_device.cc
similarity index 81%
rename from ui/events/keyboard_device.cc
rename to ui/events/devices/keyboard_device.cc
index 0950d19ba4e25b7a108fa5129c6ac64381f47fc4..2ba9fe18f1cff85dadb8d3e5c2771940dafcb3a3 100644
--- a/ui/events/keyboard_device.cc
+++ b/ui/events/devices/keyboard_device.cc
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/events/keyboard_device.h"
+#include "ui/events/devices/keyboard_device.h"
 
 #include <string>
 
-#include "ui/events/input_device.h"
+#include "ui/events/devices/input_device.h"
 
 namespace ui {