Upgrade bazlets to latest stable-2.14 to build with 2.14.16 API

Change-Id: Iaaeccbf385a41c0cb7ad57bc889028e910123b00

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index fc37c3a..827c56b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "0cdf281f110834b71ae134afe0a7e3fe346f0078",
+    commit = "b17f700875f5f2a96942d434516ba8e6088463d4",
     # local_path = "/home/<user>/projects/bazlets",
 )