Upgrade bazlets to latest stable-3.2 to build with 3.2.6 API

Change-Id: I75b00f16bd48d2df39171cc99cd02ab39a07ef47

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 4aa248e..04aeb97 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "cf0bbc90e09a8a1d7c042d79f1555e3fa40984e1",
+    commit = "8dc0767541f16b35d2136eccebffd9ebe2b81133",
     #local_path = "/home/<user>/projects/bazlets",
 )