Update third_party/chromite to include latest build fixes.

BUG=400484
R=thakis@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/442423002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287838 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -486,7 +486,7 @@ deps_os = {
     # Build tools for Chrome OS.
     "src/third_party/chromite":
       Var("chromiumos_git") + "/chromite.git" +
-      "@41548263ce3a1da8ebf3a0df8107f802f34f798a",
+      "@38242c6c77b77bcfb887fa97f3735c3262310370",
 
     # Dependency of chromite.git.
     "src/third_party/pyelftools":