Roll src/third_party/chromite 1f9465beae14..150d04851644 (16 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/1f9465beae14..150d04851644

git log 1f9465beae14..150d04851644 --date=short --first-parent --format='%ad %ae %s'
2020-04-21 vapier@chromium.org cgroups: move NoOpContextManager API here
2020-04-21 vapier@chromium.org kernel_cmdline: convert to python3 only
2020-04-21 lamontjones@chromium.org toolchain_util: prepare even for POINTLESS builds.
2020-04-21 lamontjones@chromium.org toolchain_util: AFDO generation artifact cleanup.
2020-04-21 lamontjones@chromium.org toolchain: additional_args => profile_info
2020-04-21 shaochuan@google.com Cleanup chell-chrome-pre-flight-branch
2020-04-21 vapier@chromium.org dslib/iter_utils: convert to python3 only
2020-04-21 vapier@chromium.org git_unittest: untangle cbuildbot dep
2020-04-20 vapier@chromium.org upload_prebuilts: migrate to python3 only
2020-04-20 cjmcdonald@chromium.org pytest: Clean up & remove 'leaks_process' marker
2020-04-20 cjmcdonald@chromium.org pytest: Clean up & remove 'output_test' marker
2020-04-20 cjmcdonald@chromium.org pytest: Fix up some unittests to succeed when run in one process
2020-04-20 cjmcdonald@chromium.org pytest: Create fixture to prevent leakage of Manager processes
2020-04-20 davidmunro@google.com xbuddy: Fix cros flash to work with python 3.
2020-04-20 vapier@chromium.org paygen_build_lib: migrate to python3 only
2020-04-20 vapier@chromium.org cbuildbot: constants: finish migration to lib

Created with:
  gclient setdep -r src/third_party/chromite@150d04851644

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.chrome.try:chromeos-betty-pi-arc-chrome;luci.chromium.try:chromeos-kevin-rel
Bug: None
Tbr: chrome-os-gardeners@google.com
Change-Id: Iccf46ca1a32cd31a759d850c8c6c0b3c9ac96e3c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2159135Reviewed-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@{#760988}

DEPS

@@ -848,7 +848,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '1f9465beae145435bfef65fb2f9a816d8671d461',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '150d04851644c632929cf05d99a4c40434086153',
       'condition': 'checkout_linux',
   },