Roll Chrome Linux PGO Profile

Roll Chrome Linux PGO profile from chrome-linux-master-1607407031-3aa7c176f7320c5baa78db92893fe31481ff0a44.profdata to chrome-linux-master-1607428729-15b0b20b7f7ec45672a4f128279fd58906f3383e.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-linux-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:linux-chrome
Tbr: pgo-profile-sheriffs@google.com
Change-Id: I3c935ee726605ac443f84480502b19d492310615
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2578924Reviewed-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@{#834701}

chrome/build/linux.pgo.txt

-chrome-linux-master-1607407031-3aa7c176f7320c5baa78db92893fe31481ff0a44.profdata
+chrome-linux-master-1607428729-15b0b20b7f7ec45672a4f128279fd58906f3383e.profdata