fuchsia: Enable vulkan by default

Bug: 861853
Test: compile
Change-Id: Ia9eacbe863736235c64ccbdadaf3f8feaffdd3ee
Reviewed-on: https://chromium-review.googlesource.com/1234374
Reviewed-by: Antoine Labour <piman@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#592488}
1 file changed