Upgrade bazlets to latest master revision

Includes the following fixes relevant to this project:

09a035e - Migrate from old-style legacy .java provider to the new JavaInfo
b750c0a - download_file.py: Synchronize curl options with gerrit core
e045706 - Bazel: Make build tool chain forward compatible

Change-Id: I0d586246919eabfb00ce6afb31d4327e4472e478
diff --git a/WORKSPACE b/WORKSPACE
index b6403e5..7893759 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -16,7 +16,7 @@
 load("//tools:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "953edc78cf3b4220402aa05f1d5ddcadd399591f",
+    commit = "09a035e98077dce549d5f6a7472d06c4b8f792d2",
     # local_path = "/home/<user>/projects/bazlets",
 )