Merge branch 'stable-2.16' into stable-3.0

* stable-2.16:
  Upgrade bazlets to latest stable-2.16 to build with 2.16.21 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.19 API
  Upgrade bazlets to latest stable-2.14 to build with 2.14.21 API

Change-Id: I25323f16edc4826399ef44cddc00d59d0b849426
diff --git a/WORKSPACE b/WORKSPACE
index 56dd2ff..483f3a8 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "fff6f20bb2eceaf872a8acf8ad51471c25a82d38",
+    commit = "15eae2ee5cd524a204bd62c3d59bfd0ce86916ec",
     #local_path = "/home/<user>/projects/bazlets",
 )