Update ServiceWorkerAggressiveCodeCache fieldtrial testing config

Re-enabling the experiment on beta.

Bug: 915081
Change-Id: I98cef800047ea502bf46eb7f15dc2a5dd6876b22
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1527910
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Commit-Queue: Kenichi Ishibashi <bashi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#641776}
1 file changed