Roll src/third_party/perfetto a52306a4a7f2..313502391288 (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/a52306a4a7f2..313502391288


git log a52306a4a7f2..313502391288 --date=short --no-merges --format='%ad %ae %s'
2018-08-01 hjd@google.com Merge "perfetto-ui: Upgrade typescript to 3.0.1"
2018-07-31 hjd@google.com perfetto-ui: Upgrade typescript to 3.0.1


Created with:
  gclient setdep -r src/third_party/perfetto@313502391288

The AutoRoll server is located here: https://perfetto-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=perfetto-bugs@google.com

Change-Id: I680f641ad4b91ae30e73de6bc413033ddd6f81e3
Reviewed-on: https://chromium-review.googlesource.com/1158344
Reviewed-by: <perfetto-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: <perfetto-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#579753}

DEPS

@@ -912,7 +912,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  'a52306a4a7f2ae7966f8f1766c14cd850f62908f',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '31350239128895d6875e583ced2561cffe6c2928',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',