Roll src/third_party/chromite 2677bf6cf3de..bc1a479a7027 (4 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/2677bf6cf3de..bc1a479a7027

git log 2677bf6cf3de..bc1a479a7027 --date=short --no-merges --format='%ad %ae %s'
2019-10-30 ahassani@chromium.org build_dlc: Check for DLC ID and package identifiers
2019-10-30 dburger@chromium.org Revert "Remove scheduling of master-chromium-pfq and children."
2019-10-29 lamontjones@chromium.org paygen: protect just downloaded file, more logging.
2019-10-29 andrewlamb@chromium.org chromite: Add method to apply FieldMasks to Python dicts.

Created with:
  gclient setdep -r src/third_party/chromite@bc1a479a7027

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: Ibf151c865a84123095d10f6a0641d62b266e5eba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1889052Reviewed-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@{#710647}

DEPS

@@ -871,7 +871,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '2677bf6cf3de02c9838d3d846abb06cbfd3c27c8',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + 'bc1a479a7027131ce49d7b7d1504d5b01c687851',
       'condition': 'checkout_linux',
   },