Update to latest bazlets on stable-2.14

- Fix the error in project properties generation file
- Switch to 2.14.9-SNAPSHOT Gerrit API version for local dev
- Fix deletion of Sonar Scanner folder
- Automate SonarQube analysis for plugins built with bazel
- Use bazel-cache instead of buck-cache

Change-Id: I4718b9472169bdf0891caff32cc2c58bb5278062
diff --git a/WORKSPACE b/WORKSPACE
index 1572031..b9babac 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "c860a578fa46f0b8cd9ddbd6ef8d96ffa50f9bed",
+    commit = "11ce7521051ca73598d099aa8a396c9ffe932a74",
     #    local_path = "/home/<user>/projects/bazlets",
 )