Roll Chromite from 8af906338f6c to 3db9d50f201a (6 revisions)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/8af906338f6c..3db9d50f201a

2024-04-17 lovisolo@google.com lib: portage_util: reset revision on stable version update
2024-04-17 jrosenth@chromium.org lib: cros_sdk_lib: Add get_prefetch_sdk_versions
2024-04-17 jrosenth@chromium.org Move FetchRemoteTarballs to cros_sdk_lib
2024-04-17 rrangel@chromium.org lib: kernel_builder: Use default INSTALL_MASK when building DEPENDs
2024-04-17 gbiv@google.com service: return fewer modified_files in sdk update
2024-04-17 jrosenth@chromium.org api: Make SdkService/Update a no-op in certain scenarios

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/chromite-chromium-autoroll
Please CC chrome-os-gardeners-reviews@google.com,chrome-os-gardeners@google.com,chromeos-velocity@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Chromium: 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

Cq-Include-Trybots: luci.chrome.try:chromeos-betty-pi-arc-chrome
Tbr: chrome-os-gardeners-reviews@google.com
Change-Id: Ic602905fd8aa5011bfc735bb615087886abb746c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5465077
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@{#1289495}