Roll src/third_party/chromite 181bb9733f83..8e76ccdb37b0 (9 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/181bb9733f83..8e76ccdb37b0

git log 181bb9733f83..8e76ccdb37b0 --date=short --first-parent --format='%ad %ae %s'
2020-03-04 shaochuan@chromium.org Fix string/bytes confusion in CommandVMTest
2020-03-04 vapier@chromium.org Revert "cbuildbot: switch to python3 only"
2020-03-04 saklein@chromium.org run_tests: Fix test interleaving.
2020-03-04 bpastene@chromium.org cros_chrome_sdk: Add a "--no-shell" arg that will skip the sub-shell.
2020-03-03 cjmcdonald@chromium.org Update proto bindings to current master
2020-03-03 vapier@chromium.org results_lib_unittest: delete unused code
2020-03-03 vapier@chromium.org cbuildbot: switch to python3 only
2020-03-03 cjmcdonald@chromium.org Chroot snapshot endpoints
2020-03-03 achuith@chromium.org vm: Get rid of Device.run

Created with:
  gclient setdep -r src/third_party/chromite@8e76ccdb37b0

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
Bug: None
Tbr: chrome-os-gardeners@google.com
Change-Id: I2a3e80e811059b5d4a76850d62182da5161a6ffd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2087843Reviewed-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@{#746821}

DEPS

@@ -863,7 +863,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '181bb9733f8392b5dbea5fe37545f29251268ea6',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '8e76ccdb37b004f5a5eaa13e398a9f318c92b9c6',
       'condition': 'checkout_linux',
   },