Roll Chrome Mac PGO Profile

Roll Chrome Mac PGO profile from chrome-mac-master-1601488745-21956df111f44074edeba5bc0b298067a5c332e8.profdata to chrome-mac-master-1601510378-f7e9b1850f70afb6dc30da9584475e1f2dba0196.profdata

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/pgo-mac-chromium
Please CC sebmarchand@chromium.org,jeffyoon@google.com,liaoyuke@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chrome.try:mac-chrome
Tbr: sebmarchand@chromium.org,jeffyoon@google.com,liaoyuke@google.com
Change-Id: Ia33e1edd6d66eaf840f1a271e228bc2f9d94751e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2442058Reviewed-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@{#812525}

chrome/build/mac.pgo.txt

-chrome-mac-master-1601488745-21956df111f44074edeba5bc0b298067a5c332e8.profdata
+chrome-mac-master-1601510378-f7e9b1850f70afb6dc30da9584475e1f2dba0196.profdata