Roll src/third_party/chromite/ 48a13aacf..aa6cca469 (9 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/48a13aacf880..aa6cca46950b

$ git log 48a13aacf..aa6cca469 --date=short --no-merges --format='%ad %ae %s'
2018-04-19 lepton cros_vm: Use a smaller virtual network.
2018-04-24 laszio afdo: refining codes
2018-04-10 dgarrett chromeos_config: TRYBOT -> SWARMING.
2018-04-24 rockot Include libmojo_core.so in Chrome deployment
2018-04-19 pberny chromeos_config: Add sign_types to meowth release
2018-04-20 achuith cros_run_vm_test: Support for fetching results.
2018-04-17 bmgordon cbuildbot: Add --previous-build-state option
2018-04-13 bmgordon build_summary: Helper class to represent build summaries
2018-04-24 dgarrett cros tryjob: Always use PRODUCTION_TRYJOB display label.

Created with:
  roll-dep src/third_party/chromite
BUG=chromium:808045,chromium:829170,chromium:None,chromium:822034,chromium:835061,chromium:829665,chromium:829665,chromium:832768


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: I7d1aa5c4c4bd153fd47f6d7cc7532ac35cdff73b
Reviewed-on: https://chromium-review.googlesource.com/1029771
Commit-Queue: Chromite Chromium Autoroll <chromite-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: Chromite Chromium Autoroll <chromite-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#553948}

DEPS

@@ -489,7 +489,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '48a13aacf8809f30db9ad92c463d500df235ab77',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + 'aa6cca46950beff30c9a0e98cf03ff20a7b5cd92',
       'condition': 'checkout_linux',
   },