Roll Chrome Mac PGO Profile

Roll Chrome Mac PGO profile from chrome-mac-master-1607407031-63b5db867e1f1fedbce39b6034a36fb366360e89.profdata to chrome-mac-master-1607428729-5d7fb4cc4f483e4100008e013fc190caf99a5621.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 pgo-profile-sheriffs@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: pgo-profile-sheriffs@google.com
Change-Id: I1a2eaf7cbfeab8a31395e8becd04e5809e908e24
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2578925Reviewed-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@{#834702}

chrome/build/mac.pgo.txt

-chrome-mac-master-1607407031-63b5db867e1f1fedbce39b6034a36fb366360e89.profdata
+chrome-mac-master-1607428729-5d7fb4cc4f483e4100008e013fc190caf99a5621.profdata