Roll ChromeOS Arm AFDO profile from 121-6126.0-1701694528-benchmark-1…

…21.0.6167.11-r1 to 121-6126.0-1701694528-benchmark-121.0.6167.12-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-arm-chromium-beta
Please CC c-compiler-chrome@google.com,mobiletc-prebuild@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Chromium Beta Branch: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Tbr: mobiletc-prebuild@google.com
Change-Id: I087719394242563e3761482675cf1e7cab2d3723
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5107263
Commit-Queue: Chrome Release Autoroll <chromium-release-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Chrome Release Autoroll <chromium-release-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/6167@{#188}
Cr-Branched-From: 222e786-refs/heads/main@{#1233107}

chromeos/profiles/arm.afdo.newest.txt

@@ -1 +1 @@
-chromeos-chrome-arm-none-121-6126.0-1701694528-benchmark-121.0.6167.11-r1-redacted.afdo.xz
+chromeos-chrome-arm-none-121-6126.0-1701694528-benchmark-121.0.6167.12-r1-redacted.afdo.xz