Update pin for Chromite and pyelftools.

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 400 matching lines @@
     # For Linux and Chromium OS.
     'src/third_party/cros_system_api':
      Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + '42cdfaada2ae9183f6479531e24d739cc778c4a8',
 
     # Note that this is different from Android's freetype repo.
     'src/third_party/freetype2/src':
      Var('chromium_git') + '/chromium/src/third_party/freetype2.git' + '@' + '1dd5f5f4a909866f15c92a45c9702bce290a0151',
 
     # Build tools for Chrome OS.
     'src/third_party/chromite':
-     Var('chromium_git') + '/chromiumos/chromite.git' + '@' + 'fdc9440cb96f8de35202abc285ffb896e04292d3',
+     Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '7c430e16a7bb03040576f012b424fab89974fdd4',
 
     # Dependency of chromite.git.
     'src/third_party/pyelftools':
-     Var('chromium_git') + '/chromiumos/third_party/pyelftools.git' + '@' + '19b3e610c86fcadb837d252c794cb5e8008826ae',
+     Var('chromium_git') + '/chromiumos/third_party/pyelftools.git' + '@' + 'bdc1d380acd88d4bfaf47265008091483b0d614e',
 
     'src/third_party/undoview':
      Var('chromium_git') + '/chromium/deps/undoview.git' + '@' + '3ba503e248f3cdbd81b78325a24ece0984637559',
 
     'src/third_party/liblouis/src':
      Var('chromium_git') + '/external/liblouis-github.git' + '@' + '5f9c03f2a3478561deb6ae4798175094be8a26c2',
 
     # Used for embedded builds. CrOS & Linux use the system version.
     'src/third_party/fontconfig/src':
      Var('chromium_git') + '/external/fontconfig.git' + '@' + 'f16c3118e25546c1b749f9823c51827a60aeb5c1',
@@ skipping 348 matching lines @@
     # corresponding .py files have already been deleted.
     'name': 'remove_stale_pyc_files',
     'pattern': 'src/tools/.*\\.py',
     'action': [
         'python',
         'src/tools/remove_stale_pyc_files.py',
         'src/tools',
     ],
   },
 ]