Bump rules_nodejs to 5.8.5

Change-Id: I250aea88851686cb5f352b45c4fd1fbc0e54753f
diff --git a/gerrit_polymer.bzl b/gerrit_polymer.bzl
index f2bb143..71ddb7a 100644
--- a/gerrit_polymer.bzl
+++ b/gerrit_polymer.bzl
@@ -3,6 +3,6 @@
 def gerrit_polymer():
     http_archive(
         name = "build_bazel_rules_nodejs",
-        sha256 = "94070eff79305be05b7699207fbac5d2608054dd53e6109f7d00d923919ff45a",
-        urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/5.8.2/rules_nodejs-5.8.2.tar.gz"],
+        sha256 = "a1295b168f183218bc88117cf00674bcd102498f294086ff58318f830dd9d9d1",
+        urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/5.8.5/rules_nodejs-5.8.5.tar.gz"],
     )