Use toolchain hash that's in buildtools

Hash copied at https://codereview.chromium.org/449673003/.

R=iannucci@chromium.org
BUG=400830

Review URL: https://codereview.chromium.org/447183005

git-svn-id: http://src.chromium.org/svn/trunk/src/build@288477 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

toolchain_vs2013.hash

@@ -1,2 +0,0 @@
-27eac9b2869ef6c89391f305a3f01285ea317867
-9d9a93134b3eabd003b85b4e7dea06c0eae150ed

vs_toolchain.py

@@ -129,7 +129,8 @@ def CopyVsRuntimeDlls(output_dir, runtime_dirs):
 def _GetDesiredVsToolchainHashes():
   """Load a list of SHA1s corresponding to the toolchains that we want installed
   to build with."""
-  sha1path = os.path.join(script_dir, 'toolchain_vs2013.hash')
+  sha1path = os.path.join(script_dir,
+                          '..', 'buildtools', 'toolchain_vs2013.hash')
   with open(sha1path, 'rb') as f:
     return f.read().strip().splitlines()