[autoroll] Add notifier for androidx-chromium
[autoroll] Add notifier for androidx-chromium

Change-Id: Ibbf8e83c43c2e88de22afcf59cd1e899c8b3fc81
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/436825
Reviewed-by: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>
Commit-Queue: Eric Boren <0e499112533c8544f0505ea0d08394fb5ad7d8fa@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot