Make skydoc java binary publicly visible.

RELNOTES: None.
PiperOrigin-RevId: 206195789
diff --git a/src/main/java/com/google/devtools/build/skydoc/BUILD b/src/main/java/com/google/devtools/build/skydoc/BUILD
index 3573bb5..b0357f2 100644
--- a/src/main/java/com/google/devtools/build/skydoc/BUILD
+++ b/src/main/java/com/google/devtools/build/skydoc/BUILD
@@ -31,6 +31,7 @@
 java_binary(
     name = "skydoc",
     main_class = "com.google.devtools.build.skydoc.SkydocMain",
+    visibility = ["//visibility:public"],
     runtime_deps = [
         ":skydoc_lib",
     ],