[tools] Migrate v8_node_linux64_rel to LUCI

9 additional bots has been added to the LUCI pool, which should be sufficient to
handle the additional load from this builder.

R=machenbach@chromium.org

No-Try: true
Bug: chromium:748124
Change-Id: I1aba2be502298ce9e3d76adb25addfe7cfe2ff9f
Reviewed-on: https://chromium-review.googlesource.com/806163Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Sergiy Byelozyorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49858}

infra/config/cq.cfg

@@ -30,6 +30,7 @@ verifiers {
       builders { name: "v8_linux_mips64el_compile_rel" }
       builders { name: "v8_linux_mipsel_compile_rel" }
       builders { name: "v8_linux_shared_compile_rel" }
+      builders { name: "v8_node_linux64_rel" }
       builders { name: "v8_presubmit" }
       builders {
         name: "v8_win64_msvc_compile_rel"
@@ -38,7 +39,6 @@ verifiers {
     }
     buckets {
       name: "master.tryserver.v8"
-      builders { name: "v8_node_linux64_rel" }
       builders { name: "v8_linux64_asan_rel_ng" }
       builders {
         name: "v8_linux64_asan_rel_ng_triggered"