Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  Upgrade bazlets to latest stable-2.15 to build with 2.15.13 API

Change-Id: I61dc4826fd4c0941ef28e01f6c657372d17aa014

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 4e363e7..a8fca8a 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "1650318289e9981c01e9122c62679b814c7d7a48",
+    commit = "c827ba79413585ab9dfc1bbd0d7f609eedd6aa80",
     #local_path = "/home/<user>/projects/bazlets",
 )