Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  Upgrade bazlets to latest stable-2.16 to build with 2.16.16 API

Change-Id: I0be41b58172c11294c39994ddf1582b43f1782f0

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 3f0714a..6aed84b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "1b6fc9b39001806b37a4eedbb0a4816daf1a227d",
+    commit = "8ac9d00b8f12b7f61ff360c47a5bd87d7f75f4b5",
     #local_path = "/home/<user>/projects/bazlets",
 )