Add LUCI versions of Fuchsia bots to chromium.linux console.

TBR=tandrii@chromium.org

No-Try: True
Bug: 790130
Change-Id: Ic6dc278bca6cfc04d0ee5ffe3cc560077e980cc6
Reviewed-on: https://chromium-review.googlesource.com/994542
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547936}

infra/config/global/luci-milo.cfg

@@ -938,21 +938,25 @@ consoles: {
   }
   builders: {
     name: "buildbot/chromium.linux/Fuchsia ARM64 Cast Audio"
+    name: "buildbucket/luci.chromium.ci/Fuchsia ARM64 Cast Audio"
     category: "fuchsia|Cast"
     short_name: "a64"
   }
   builders: {
     name: "buildbot/chromium.linux/Fuchsia x64 Cast Audio"
+    name: "buildbucket/luci.chromium.ci/Fuchsia x64 Cast Audio"
     category: "fuchsia|Cast"
     short_name: "x64"
   }
   builders: {
     name: "buildbot/chromium.linux/Fuchsia ARM64"
+    name: "buildbucket/luci.chromium.ci/Fuchsia ARM64"
     category: "fuchsia"
     short_name: "a64"
   }
   builders: {
     name: "buildbot/chromium.linux/Fuchsia x64"
+    name: "buildbucket/luci.chromium.ci/Fuchsia x64"
     category: "fuchsia"
     short_name: "x64"
   }