Roll Syzygy deps to version 0.8.18.0.

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 767 matching lines @@
                 '-s', 'src/third_party/drmemory/drmemory-windows-sfx.exe.sha1',
               ],
   },
   # Pull the Syzygy binaries, used for optimization and instrumentation.
   {
     'name': 'syzygy-binaries',
     'pattern': '.',
     'action': ['python',
                'src/build/get_syzygy_binaries.py',
                '--output-dir=src/third_party/syzygy/binaries',
-               '--revision=262f5599d08ac50aba65ea96b9ee03cce5a3acb7',
+               '--revision=253383e5987fe5dc81b93057c7d173c0620d3ee0',
                '--overwrite',
     ],
   },
   # TODO(pmonette): Move include files out of binaries folder.
   {
     'name': 'kasko',
     'pattern': '.',
     'action': ['python',
                'src/build/get_syzygy_binaries.py',
                '--output-dir=src/third_party/kasko/binaries',
@@ skipping 44 matching lines @@
                'src/build/android/download_doclava.py',
     ],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'name': 'gyp',
     'pattern': '.',
     'action': ['python', 'src/build/gyp_chromium', '--running-as-hook'],
   },
 ]