Roll src/third_party/perfetto 8a7d7b28b1ed..7cdd680b3802 (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/8a7d7b28b1ed..7cdd680b3802


git log 8a7d7b28b1ed..7cdd680b3802 --date=short --no-merges --format='%ad %ae %s'
2018-11-12 taylori@google.com Merge "trace_to_text: Store thread names"
2018-11-12 lalitm@google.com Merge "trace_processor: add stats table to expose parsed stats data"


Created with:
  gclient setdep -r src/third_party/perfetto@7cdd680b3802

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: Ib69ee02d879cecd866e65aa0699573feaba4b980
Reviewed-on: https://chromium-review.googlesource.com/c/1331217Reviewed-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@{#607198}

DEPS

@@ -1014,7 +1014,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '8a7d7b28b1ed64c651254ae364e4ae6da3de7b09',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' +  '7cdd680b3802ae4c4808e26661158dcdcb4950cd',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + 'ac0d98b5cee6c024b0cffeb4f8f45b6fc5ccdb78',