Roll src/third_party/perfetto 4a559250e9cf..c9cac42e2459 (2 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/4a559250e9cf..c9cac42e2459


git log 4a559250e9cf..c9cac42e2459 --date=short --no-merges --format='%ad %ae %s'
2019-05-21 treehugger-gerrit@google.com Merge "Expose number of idle pages on heap dump."
2019-05-20 treehugger-gerrit@google.com Merge "traceconv: update shas"


Created with:
  gclient setdep -r src/third_party/perfetto@c9cac42e2459

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: Ib4fc1ead43ecfb3f7428ee98f9e7d936bfedbc35
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1621530
Reviewed-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@{#661570}
1 file changed