Build libcdd.so and include it as a dependency

Change-Id: Idee6b1954d7354f71344572afe7397c08e8008e7
diff --git a/third_party/cddlib/BUILD b/third_party/cddlib/BUILD
index 72ed220..4db83dc 100644
--- a/third_party/cddlib/BUILD
+++ b/third_party/cddlib/BUILD
@@ -32,3 +32,10 @@
       'clang': []
   }),
 )
+cc_binary(
+  name = '_cddlib.so',
+  deps = [':cddlib'],
+  linkshared = True,
+  visibility = ['//visibility:public'],
+  linkstatic = False,
+)