[Gardener] Disable AppListClientImplBrowserTest.OpenSearchResultOnPrimaryDisplay

The test is flaky on ChromeOS:
https://ci.chromium.org/ui/p/chromium/builders/ci/linux-chromeos-rel
https://ci.chromium.org/ui/p/chromium/builders/ci/linux-chromeos-rel/75936/overview

Bug: 335362001
Change-Id: Iec1afa141b4a3e705034d6b48420910d9f0c8933
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5463511


Auto-Submit: Christoph Schwering <schwering@google.com>
Commit-Queue: Christoph Schwering <schwering@google.com>
Owners-Override: Christoph Schwering <schwering@google.com>
Commit-Queue: Jan Keitel <jkeitel@google.com>
Reviewed-by: Jan Keitel <jkeitel@google.com>
Cr-Commit-Position: refs/heads/main@{#1289249}