Roll Chromite from 21b394fcfab2 to 170343fcf165 (2 revisions)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/21b394fcfab2..170343fcf165

2021-01-22 vapier@chromium.org cros_update: convert to python3 only
2021-01-21 yueherngl@google.com octopus: add firmware-octopus-11297.196.B branch builder

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/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chrome.try:chromeos-betty-pi-arc-chrome;luci.chromium.try:chromeos-kevin-rel
Tbr: chrome-os-gardeners@google.com
Change-Id: I0d730b3b9c9333068985f57e384ed86722674342
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2645047Reviewed-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@{#846187}

DEPS

@@ -877,7 +877,7 @@ deps = {
   # Tools used when building Chrome for Chrome OS. This affects both the Simple
   # Chrome workflow, as well as the chromeos-chrome ebuild.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '21b394fcfab2b54472bd64c73bd7ae63e72a9a3d',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '170343fcf1653efa41a35937cecb218d902c1c20',
       'condition': 'checkout_chromeos',
   },