Move usb_ids.py script into device/usb.

It seems to be nicer to have it contained in device/usb directory as it
is related to it and nice to have fewer random directories under
//tools.

BUG=None
TEST=ninja -C out/Debug device_usb (or just usb in GN).
R=keybuk@chromium.org, bryeung@chromium.org

Review URL: https://codereview.chromium.org/279383004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270469 0039d316-1c4b-4281-b951-d872f2087c98

device/usb/BUILD.gn

@@ -19,7 +19,7 @@ static_library("usb") {
 }
 
 action("usb_device_ids") {
-  script = "//tools/usb_ids/usb_ids.py"
+  script = "//device/usb/tools/usb_ids.py"
   source_prereqs = [ source_ids ]
   outputs = [ generated_ids ]
   args = [

device/usb/usb.gyp

@@ -21,8 +21,8 @@
         {
           'action_name': 'generate_usb_ids',
           'variables': {
-            'usb_ids_path%': '<(DEPTH)/third_party/usb_ids/usb.ids',
-            'usb_ids_py_path': '<(DEPTH)/tools/usb_ids/usb_ids.py',
+            'usb_ids_path%': '../../third_party/usb_ids/usb.ids',
+            'usb_ids_py_path': 'tools/usb_ids.py',
           },
           'inputs': [
             '<(usb_ids_path)',