Roll src/third_party/chromite fd29621e6732..afc1cf965336 (3 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/fd29621e6732..afc1cf965336


git log fd29621e6732..afc1cf965336 --date=short --no-merges --format='%ad %ae %s'
2019-06-20 xiyuan@google.com chromite: Work around parent arg parser issue
2019-06-20 manojgupta@google.com chromite: Remove the code related to self-bootstrap.
2019-06-20 nednguyen@google.com chromite: convert build yaml config path to chroot in commands.GenerateBuildConfigs


Created with:
  gclient setdep -r src/third_party/chromite@afc1cf965336

The AutoRoll server is located here: https://autoroll.skia.org/r/chromite-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:chromeos-kevin-rel
TBR=chrome-os-gardeners@google.com

Change-Id: I2430d13060faca21e5d5aea81b01a8157b42b0c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1669820
Reviewed-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@{#671029}