Roll Chrome Mac PGO profile from...

Roll Chrome Mac PGO profile from chrome-mac-master-1596906920-d9c268cee334ba8e96e8c161b05d8af21fcc527d.profdata to chrome-mac-master-1596951804-2e38ee79c378ef6490301a31a86a3e3f9ffa7699.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: chrome/try:mac-chrome
Tbr: sebmarchand+pgo_roller@google.com,jeffyoon@google.com,liaoyuke@google.com
Change-Id: I9b630d1a32106aa63a5add9452fd3d7c96453593
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2344947Reviewed-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@{#796263}

chrome/build/mac.pgo.txt

-chrome-mac-master-1596906920-d9c268cee334ba8e96e8c161b05d8af21fcc527d.profdata
+chrome-mac-master-1596951804-2e38ee79c378ef6490301a31a86a3e3f9ffa7699.profdata