Roll src/third_party/perfetto 2891cbc02f12..2d256c406cde (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/2891cbc02f12..2d256c406cde

git log 2891cbc02f12..2d256c406cde --date=short --no-merges --format='%ad %ae %s'
2019-08-21 treehugger-gerrit@google.com Merge "[GPU TRACE] Add GPU scheduling trace events"
2019-08-21 primiano@google.com Merge "Remove use of -isystem for googletest"

Created with:
  gclient setdep -r src/third_party/perfetto@2d256c406cde

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.


TBR=perfetto-bugs@google.com

Bug: None
Change-Id: I19c290c53bb20801185f414fa8c8026a29108089
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1764456Reviewed-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@{#689188}

DEPS

@@ -1223,7 +1223,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '2891cbc02f129c0750e0da87301ee239193b259a',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '2d256c406cde8c1fc85af99af6bd15e1dd3e0360',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',