Roll src/third_party/chromite fd5a91ebf34d..bc546858739e (10 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/fd5a91ebf34d..bc546858739e

git log fd5a91ebf34d..bc546858739e --date=short --first-parent --format='%ad %ae %s'
2019-12-04 vapier@chromium.org apiclient: finish migration to googleapiclient
2019-12-04 lamontjones@chromium.org api: sync protos
2019-12-04 vapier@chromium.org cidb: drop GetActionsForChanges/GetActionsForBuild/GetActionHistory
2019-12-04 chrome-bot@chromium.org Update config settings by config-updater.
2019-12-04 bpastene@chromium.org chrome_chromeos_lkgm: When rolling, first close all old rolls that are open.
2019-12-03 vapier@chromium.org cbuildbot: hwtests: delete CQ-specific logic
2019-12-03 vapier@chromium.org triage_lib: drop unused module
2019-12-03 vapier@chromium.org build_failure_message: FindSuspectedChanges: drop unused helper
2019-12-03 vapier@chromium.org metadata_lib: drop unused RecordCLAction
2019-12-03 vapier@chromium.org unittests: use assertExists/assertNotExists in more places

Created with:
  gclient setdep -r src/third_party/chromite@bc546858739e

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: I10f82497a4a7663e6fc1aaa074499b9c43ef3544
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1948800Reviewed-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@{#721506}

DEPS

@@ -866,7 +866,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + 'fd5a91ebf34d012208a0cdf1b1a9f48fdf71b2b7',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + 'bc546858739e985f52cbce38fa24cca9ff695592',
       'condition': 'checkout_linux',
   },