Roll src/third_party/chromite/ 9520b5b98..7aaefdbb7 (2 commits)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/9520b5b98bd3..7aaefdbb734f

$ git log 9520b5b98..7aaefdbb7 --date=short --no-merges --format='%ad %ae %s'
2018-04-30 cmtice Re-enable CFI on caroline and terra release builders.
2018-05-08 ayatane sysmon: Fix error reference

Created with:
  roll-dep src/third_party/chromite
BUG=chromium:838428,chromium:840873


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: If6a4c93d5ee5c6ce8af44cb19895b5ce12b72dcb
Reviewed-on: https://chromium-review.googlesource.com/1051325Reviewed-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@{#557138}

DEPS

@@ -498,7 +498,7 @@ deps = {
 
   # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
   'src/third_party/chromite': {
-      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '9520b5b98bd364e4d0090c92d05c0f8b1eb9cd02',
+      'url': Var('chromium_git') + '/chromiumos/chromite.git' + '@' + '7aaefdbb734f398eab1da8c47bc122626b803c81',
       'condition': 'checkout_linux',
   },