Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  Upgrade bazlets to latest stable-3.1 to build with 3.1.7 API
  Upgrade bazlets to latest stable-3.0 to build with 3.0.11 API
  Remove the commented-out snapshot plugin api lines

Change-Id: Ia4e22cb35b1973feec358bdc75162e2d76f8abf9
diff --git a/WORKSPACE b/WORKSPACE
index a72e0df..3bc41e8 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "b6cb89690a5e06261932eb30c95fd8db34a7943a",
+    commit = "4293943826c5c1a42d39d772008106e4e02836cd",
     #local_path = "/home/<user>/projects/bazlets",
 )