Roll Chrome Mac PGO Profile

Roll Chrome Mac PGO profile from chrome-mac-main-1642269494-ee8976d6fa91776fde882bff53b76af772148816.profdata to chrome-mac-main-1642291192-8b302b6c27f9d402b7472cb124d795c8b8b92b38.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 file a bug in Chromium main branch: https://bugs.chromium.org/p/chromium/issues/entry

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/main/autoroll/README.md

Cq-Include-Trybots: luci.chrome.try:mac-chrome
Tbr: pgo-profile-sheriffs@google.com
Change-Id: Id08c412478ed1afdc8731705dc5c0f65cd2641eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3393042
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#959811}