Split cache: Disable PlzDedicatedWorker test flavor if no net service.

When there is no network service, we disable the PlzDedicatedWorker
flavor of the following tests in
*WebContentsSplitCacheBrowserTestEnabled*
because network service is required in order to enable
PlzDedicatedWorker.

Bug: 983981
Change-Id: Ie2af5f7671855c2a7e4f2b7c336b07af44ee6a35
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1710705
Commit-Queue: Cammie Smith Barnes <cammie@chromium.org>
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Reviewed-by: Shivani Sharma <shivanisha@chromium.org>
Cr-Commit-Position: refs/heads/master@{#679548}
1 file changed