Roll src/third_party/catapult/ 8a42ad3cb..38ba657f0 (11 commits)

https://chromium.googlesource.com/catapult.git/+log/8a42ad3cb185..38ba657f018a

$ git log 8a42ad3cb..38ba657f0 --date=short --no-merges --format='%ad %ae %s'
2018-02-26 perezju Revert "[Telemetry] Simplify code for --browser=exact on Android"
2018-02-24 nednguyen Add logging of when tracing metrics computation started
2018-02-23 dtu [pinpoint] Ignore CIPD packages in DEPS.
2018-02-23 dtu [pinpoint] Fail Job if all Attempts fail.
2018-02-23 eakuefner [Dashboard] Filter stats using REs
2018-02-23 eakuefner Add a couple AUTHORS
2018-02-23 eakuefner [Dashboard] Suffix histogram names rather than test paths
2018-02-23 perezju [Telemetry] Fix usage of last_modification_time in possible browsers
2018-02-23 kraynov Group rendering in AsyncSliceGroupTrack.
2018-02-23 perezju [Telemetry] A bit of cleanup on Android browser backend settings
2018-02-22 perezju [Telemetry] Simplify code for --browser=exact on Android

Created with:
  roll-dep src/third_party/catapult


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: I133002d56cbcd0b9149ea7dbac1e98be26233285
Reviewed-on: https://chromium-review.googlesource.com/936791
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@{#539119}

DEPS

@@ -135,7 +135,7 @@ 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': '8a42ad3cb185e340c32b20f657980fd057e3769f',
+  'catapult_revision': '38ba657f018acf920c1c52ad80dc520711f48720',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.