Roll src/third_party/perfetto ae0c5273bfa1..7e4b89eab724 (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/ae0c5273bfa1..7e4b89eab724


git log ae0c5273bfa1..7e4b89eab724 --date=short --no-merges --format='%ad %ae %s'
2018-07-27 michaschwab@google.com Number of Grid Lines depends on window width
2018-07-27 hjd@google.com perfetto-ui: Add TrackControllerRegistry


Created with:
  gclient setdep -r src/third_party/perfetto@7e4b89eab724

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: I17ba02694a0a55eeb6010825f92c1168c089b6df
Reviewed-on: https://chromium-review.googlesource.com/1153511
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@{#578795}

DEPS

@@ -912,7 +912,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  'ae0c5273bfa1532b5badf6f47d1ea58596c06c0d',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '7e4b89eab724e67175bd55173a74aa79c56a46ff',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',