Roll //build, //native_client, and a few more targets of opportunity.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 1f7f73ef7d03018a7572aa673d7426f4a1ae2063..58c216ea1eaace9ee2d7040e01b515ed3cd81ed5 100644
--- a/DEPS
+++ b/DEPS
@@ -24,14 +24,14 @@ vars = {
   'skia_revision': '409fd66a5afcef5f165f7ccec7c3473add231752',
   'v8_revision': '230d131d173ab2d60291d303177bc04ec3f6e519',
   'angle_revision': 'bdd419f9f5b006e913606e7363125942c8ae06bc',
-  'buildtools_revision': '3b302fef93f7cc58d9b8168466905237484b2772',
+  'buildtools_revision': '15308f469a704c45d15567fa69cd94ce07ad0e1b',
   'dart_revision': '45304',
   'dart_observatory_packages_revision': '43830',
   'pdfium_revision': 'b0115665b0f33971f1b7077740d51e155583cec0',
   'boringssl_revision': '642f1498d056dbba3e50ed5a232ab2f482626dec',
   'lss_revision': 'e079768b7e3a94dcbe7d338496c0c3bde7151b6e',
   'nss_revision': 'bb4e75a43d007518ae7d618665ea2f25b0c60b63',
-  'nacl_revision': '19f11aa481261f38f2a1e9a04e41a7e12aa70e32',
+  'nacl_revision': '87d5dd90911a0657c27574f78e86b7dfc4ad8b29',
 }
 
 # Only these hosts are allowed for dependencies in this DEPS file.