ui/events: Fix the path to some ozone files.

This partially fixes the ozone build.

Tested with:

$ gn gen out/Debug_gn --args='use_ozone=true'
$ ninja -C out/Debug_gn

BUG=None
TEST=see above
TBR=brettw@chromium.org,sadrul@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/338183006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278544 0039d316-1c4b-4281-b951-d872f2087c98

ui/events/BUILD.gn

@@ -143,10 +143,8 @@ component("events") {
 
   if (use_ozone) {
     sources += [
-      "ozone/evdev/device_manager_evdev.cc",
-      "ozone/evdev/device_manager_evdev.h",
-      "ozone/evdev/device_manager_udev.cc",
-      "ozone/evdev/device_manager_udev.h",
+      "ozone/device/udev/device_manager_udev.cc",
+      "ozone/device/udev/device_manager_udev.h",
       "ozone/evdev/event_converter_evdev.cc",
       "ozone/evdev/event_converter_evdev.h",
       "ozone/evdev/event_device_info.cc",