Update bazlets to fix build with bazel 0.23

- Use target JDK for GWT compilation

Bug: Issue 10536
Change-Id: Ia8162d83ce616d9f571f57a34228b57f7fe4e1d3

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 8c41b35..4b3a930 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "2c39029a585bd1d5b785150948f162730f7b7e42",
+    commit = "012a3a47fe332a08e1b8b25136479dcf564e4c00",
     #local_path = "/home/<user>/projects/bazlets",
 )