Roll src/third_party/catapult/ 055c03395..ca7ee7a2c (3 commits)

https://chromium.googlesource.com/catapult.git/+log/055c0339565a..ca7ee7a2c7fe

$ git log 055c03395..ca7ee7a2c --date=short --no-merges --format='%ad %ae %s'
2018-04-17 simonhatch Dashboard - Use bot_configuration in /auto_bisect.
2018-04-16 simonhatch Dashboard - Update delete/migrate to also do histogram data.
2018-04-16 simonhatch Dashboard - Fix up diagnostics

Created with:
  roll-dep src/third_party/catapult
BUG=chromium:779618


The AutoRoll server is located here: https://catapult-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=sullivan@chromium.org

Change-Id: Ie5fbb5255dd417719043563f31e69bb61e633657
Reviewed-on: https://chromium-review.googlesource.com/1015762
Commit-Queue: catapult-chromium-autoroll <catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: catapult-chromium-autoroll <catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#551507}

DEPS

@@ -146,7 +146,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.
-  'catapult_revision': '055c0339565a94426019ce1da26b14e6c2320c28',
+  'catapult_revision': 'ca7ee7a2c7fef52b7e654810021a3a98bca07954',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.