Upgrade bazlets to latest stable-2.16 to build with 2.16.5 API

Change-Id: Ibd7668fa69b5297318c4f458a5428e90b14e912e
diff --git a/WORKSPACE b/WORKSPACE
index 7d3080f..42138d0 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "c15e64db2a87c0453427ff45f79d1ed3899b5d92",
+    commit = "b084bd74743f4303971a2a057bcea4f3352ddf4e",
     #local_path = "/home/<user>/projects/bazlets",
 )