Update bazlets to latest master revision to build with 2.16-rc3 API

Change-Id: I6f0c8d4c9c39675862c9d745aac64c07140e614e
diff --git a/WORKSPACE b/WORKSPACE
index e323c5c..70d650e 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "e4662688b3f482cf5789b27a1ea726e8d0aabfc8",
+    commit = "d044cd60d37e302d9ac324f7a2c4e48b4011d4e6",
     #local_path = "/home/<user>/projects/bazlets",
 )