Roll src/third_party/perfetto 1b013420703b..c6f7ba31d255 (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/1b013420703b..c6f7ba31d255


git log 1b013420703b..c6f7ba31d255 --date=short --no-merges --format='%ad %ae %s'
2018-07-19 hjd@google.com Merge "perfetto-ui: Increase correctness of build"
2018-07-18 hjd@google.com perfetto-ui: Increase correctness of build


Created with:
  gclient setdep -r src/third_party/perfetto@c6f7ba31d255

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: Iac780d43d91857fa9265da29b695e1f075ecc7bf
Reviewed-on: https://chromium-review.googlesource.com/1143030
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@{#576462}

DEPS

@@ -912,7 +912,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '1b013420703b9496b1777aea5609bee7d9f3ecec',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  'c6f7ba31d2550fad984f8a7be0199acd1975e2d9',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',