roll gyp

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index ddebfcef9a619aab50ce827814cd8477af5ce886..c4068dbdcf892b447bb495673941604d53cd8994 100644
--- a/DEPS
+++ b/DEPS
@@ -11,7 +11,7 @@ deps = {
 
   "third_party/externals/angle2" : "https://chromium.googlesource.com/angle/angle.git@c415283b2bcd786e1a8c55c19ef3511eb2b3928c",
   "third_party/externals/freetype" : "https://skia.googlesource.com/third_party/freetype2.git@VER-2-5-0-1",
-  "third_party/externals/gyp" : "https://chromium.googlesource.com/external/gyp.git@f1c42f73e4cc2912460aab113f9cd31ee3fafd38",
+  "third_party/externals/gyp" : "https://chromium.googlesource.com/external/gyp.git@dd831fd86e7a254c696f53944333562466e453ad",
   "third_party/externals/harfbuzz": "https://skia.googlesource.com/third_party/harfbuzz.git@0.9.35",
   "third_party/externals/jsoncpp" : "https://chromium.googlesource.com/external/jsoncpp/jsoncpp.git@1afff032c83e26ddf7f2776e8b43de5ad666c1fa",
   "third_party/externals/libjpeg" : "https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@82ce8a6d4ebe12a177c0c3597192f2b4f09e81c3",