Roll ChromeOS Silvermont AFDO profile from 86-4240.183-1604924176-ben…

…chmark-86.0.4240.196-r1 to 86-4240.183-1604924176-benchmark-86.0.4240.197-r1

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/cros-afdo-silvermont-chromium-stable
Please CC c-compiler-chrome@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

Tbr: c-compiler-chrome@google.com
Change-Id: I45cb1c95aefe02f13a691c1c712d108c86cef5fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2531853
Reviewed-by: Chrome Release Autoroll <chromium-release-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Chrome Release Autoroll <chromium-release-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/4240@{#1432}
Cr-Branched-From: f297677-refs/heads/master@{#800218}

chromeos/profiles/silvermont.afdo.newest.txt

@@ -1 +1 @@
-chromeos-chrome-amd64-silvermont-86-4240.183-1604924176-benchmark-86.0.4240.196-r1-redacted.afdo.xz
+chromeos-chrome-amd64-silvermont-86-4240.183-1604924176-benchmark-86.0.4240.197-r1-redacted.afdo.xz