Roll src/third_party/perfetto 11455bfdc0c5..71b05185eb63 (3 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/11455bfdc0c5..71b05185eb63


git log 11455bfdc0c5..71b05185eb63 --date=short --no-merges --format='%ad %ae %s'
2019-01-25 primiano@google.com Merge "perfetto-ui: cd ui; ./npm audit fix"
2019-01-25 primiano@google.com Merge "perfetto-ui: Fix presubmits"
2019-01-25 primiano@google.com Add DISCARD policy to TraceBuffer


Created with:
  gclient setdep -r src/third_party/perfetto@71b05185eb63

The AutoRoll server is located here: https://autoroll.skia.org/r/perfetto-chromium-autoroll

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.



BUG=chromium:115601774
TBR=perfetto-bugs@google.com

Change-Id: Id75211486ff6a18c7531b439d5a83c88f399ae58
Reviewed-on: https://chromium-review.googlesource.com/c/1437857Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#626319}

DEPS

@@ -1036,7 +1036,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '11455bfdc0c5473e750a28f98bd24dff5a1fbe35',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '71b05185eb636b7325e42376892a6b4ce6e63b98',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',