Roll src/third_party/chromite 389d9af998f3..1c25d4b5c206 (3 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/389d9af998f3..1c25d4b5c206

git log 389d9af998f3..1c25d4b5c206 --date=short --first-parent --format='%ad %ae %s'
2020-02-18 ahassani@chromium.org xbuddy: Fix delta_payload artifact
2020-02-18 ahassani@chromium.org nebraska_wrapper: Fix health_check request to nebraska
2020-02-17 achuith@chromium.org vm: Add mocks for system attributes.

Created with:
  gclient setdep -r src/third_party/chromite@1c25d4b5c206

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: I05987c5ca5d9d9918860cd642f8300ba87c2ddae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2062310Reviewed-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@{#742167}

DEPS

@@ -861,7 +861,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '389d9af998f32159589c8b3b22e57b4316ad26e7',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '1c25d4b5c2067620c8cc9203b75fdff2b76fd416',
       'condition': 'checkout_linux',
   },