Roll src/third_party/perfetto 688679325c64..4c7f72c9764e (4 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/688679325c64..4c7f72c9764e


git log 688679325c64..4c7f72c9764e --date=short --no-merges --format='%ad %ae %s'
2018-11-05 lalitm@google.com Merge "Add sqlite percentile"
2018-11-05 lalitm@google.com Merge "Change TraceProcessor to an abstract class"
2018-11-05 fmayer@google.com Merge "profiling: Add heapprofd config."
2018-11-05 lalitm@google.com Merge "trace_processor: SpanOperatorTable -> SpanJoinOperatorTable"


Created with:
  gclient setdep -r src/third_party/perfetto@4c7f72c9764e

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

Change-Id: I7c8487e1bdf1fb7d974348dfa80e60be443a7cbe
Reviewed-on: https://chromium-review.googlesource.com/c/1318151Reviewed-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@{#605420}

DEPS

@@ -1009,7 +1009,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '688679325c646668984dc4a3be284ee3178ac02c',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '4c7f72c9764e3f1c3a59692754d4aed877650690',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',