Roll Chrome Mac PGO Profile

Roll Chrome Mac PGO profile from chrome-mac-master-1600819087-f4efc7f723c6812144192ebd4eb5f53f5a4e9534.profdata to chrome-mac-master-1600840405-f4d8e4031cebaee3fd15a03b0f21d18ea0743d9a.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+pgo_roller@google.com,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+pgo_roller@google.com,jeffyoon@google.com,liaoyuke@google.com
Change-Id: I6aaf4f46f5e1c185984503aaeb3986a694a10f81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2425360Reviewed-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@{#809722}

chrome/build/mac.pgo.txt

-chrome-mac-master-1600819087-f4efc7f723c6812144192ebd4eb5f53f5a4e9534.profdata
+chrome-mac-master-1600840405-f4d8e4031cebaee3fd15a03b0f21d18ea0743d9a.profdata