Roll src/third_party/chromite/ 1d37d531d..8bf5a7243 (3 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/1d37d531d536..8bf5a724397c

$ git log 1d37d531d..8bf5a7243 --date=short --no-merges --format='%ad %ae %s'
2018-03-20 manojgupta cbuildbot: Only build virtual/target-fuzzers for fuzzer builders.
2018-03-15 dgarrett archive_lib: Stop appending trybot- for tryjobs.
2018-03-21 dgarrett precq_launcher: Fix swarming PreCQ hack.

Created with:
  roll-dep src/third_party/chromite
BUG=chromium:823787,chromium:667393,chromium:823445


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

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.


TBR=chrome-os-gardeners@chromium.org

Change-Id: I7abe614767178c4d769dd22efaa488e7e6e9083e
Reviewed-on: https://chromium-review.googlesource.com/974743Reviewed-by: Chromite Chromium Autoroll <chromite-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: Chromite Chromium Autoroll <chromite-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#544964}

DEPS

@@ -320,7 +320,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '1d37d531d5362ebc471d3fc6a531e8d4b5b1857f',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '8bf5a724397cd15569d5da6a529a7b044b28d137',
       'condition': 'checkout_linux',
   },