Bazel plumbing to add bazel_components/polymer-resin

This is a partial roll-forward of c/106190.

It adds a dependency on the latest version of polymer-resin.
Later CLs will actually use this dependency.

Change-Id: I3cf5f9c823d74da58a8b1326153a672959fa3f13

lib/js/bower_components.bzl

@@ -167,6 +167,15 @@ def define_bower_components():
     license = "//lib:LICENSE-page.js",
     seed = True,
   )
+  bower_component(
+    name = "polymer-resin",
+    license = "//lib:LICENSE-polymer",
+    deps = [
+      ":polymer",
+      ":webcomponentsjs",
+    ],
+    seed = True,
+  )
   bower_component(
     name = "polymer",
     license = "//lib:LICENSE-polymer",