Adding ability to generate bundle-specific Java API docs.

Can be run from top-level as "bazel build $(bazel query 'kind("javadoc", //...)')"

Change-Id: Ic24c03def3cf1d707c8ff86a6f9868a3d6d57601
diff --git a/tools/build/bazel/yang.bzl b/tools/build/bazel/yang.bzl
index 59a4b99..3b123b2 100644
--- a/tools/build/bazel/yang.bzl
+++ b/tools/build/bazel/yang.bzl
@@ -162,7 +162,9 @@
              resource_jars = [name + "-generate"], deps = deps,
              visibility = ["//visibility:public"],
              suppress_errorprone = True,
-             suppress_checkstyle = True)
+             suppress_checkstyle = True,
+             suppress_javadocs = True,
+    )
 
 def yang_model(
     name = None,