Roll Chromite from 7c9f31beb6db to a7b30cd95fed (2 revisions)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/7c9f31beb6db..a7b30cd95fed

2020-10-14 navil@google.com chromeos_config: Promote eve-full to active.
2020-10-13 engeg@google.com release_stages: Increase signing timeout to 4 hours

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: Iaa32608482c3dcdf49943554b20770e81d3d9923
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2471141Reviewed-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@{#817084}

DEPS

@@ -885,7 +885,7 @@ 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' + '@' + '7c9f31beb6db418aa5f7067eca9051691d67efd5',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + 'a7b30cd95fedd18f3fbc1fd1d4cab1addbb6a1d0',
       'condition': 'checkout_chromeos',
   },