Roll src/third_party/chromite cb771c6c486e..25df51372600 (2 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/cb771c6c486e..25df51372600

git log cb771c6c486e..25df51372600 --date=short --no-merges --format='%ad %ae %s'
2019-10-24 chrome-bot@chromium.org Update config settings by config-updater.
2019-10-24 vapier@chromium.org gn_helpers: pull python 3 updates from upstream

Created with:
  gclient setdep -r src/third_party/chromite@25df51372600

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/chromite-chromium-autoroll
Please CC chrome-os-gardeners@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

CQ_INCLUDE_TRYBOTS=luci.chromium.try:chromeos-kevin-rel
TBR=chrome-os-gardeners@google.com

Bug: None
Change-Id: I1754d308c1ab627b416878ca1fbd87072dd90351
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879576Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#709297}

DEPS

@@ -874,7 +874,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + 'cb771c6c486eea2b7e1eeab9ca04f55fff3a1a7d',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '25df51372600a6d29b5cb1b7a89a3b133b511df5',
       'condition': 'checkout_linux',
   },