Pull buildtools to get GN r282653

third_party/libphonenumber/BUILD.gn

 # Copyright 2014 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.
 
 import("//third_party/protobuf/proto_library.gni")
 
 proto_library("proto") {
   sources = [
     "src/resources/phonemetadata.proto",
     "src/resources/phonenumber.proto",
   ]
-  proto_in_dir = "src/resources"
   proto_out_dir = "third_party/libphonenumber/phonenumbers"
 }
 
 config("libphonenumber_config") {
   include_dirs = [
     "src",
-    "$root_gen_dir/protoc_out/third_party/libphonenumber",
+    "$root_gen_dir/third_party/libphonenumber",
   ]
   defines = [ "I18N_PHONENUMBERS_USE_ICU_REGEXP=1" ]
   if (!is_android) {
     defines += [ "I18N_PHONENUMBERS_NO_THREAD_SAFETY=1" ]
   }
 }
 
 # GYP version: third_party/libphonenumber/libphonenumber.gyp:libphonenumber_without_metadata
 static_library("libphonenumber_without_metadata") {
   sources = [
@@ skipping 61 matching lines @@
   deps = [
     ":libphonenumber_without_metadata",
     "//base",
     "//base/test:run_all_unittests",
     "//base/third_party/dynamic_annotations",
     "//third_party/icu",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }