Add PrerenderFallbackToPreconnect to field trial

Bug: 928560
Change-Id: I559210e517b9951c2a63eb2189d961cfc2ec8389
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1567089
Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Tarun Bansal <tbansal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#650990}
1 file changed