Update bazlets to latest revision 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
- Update Gerrit API to 2.14.8
- Set Gerrit API snapshot version to 2.14.8-SNAPSHOT

Change-Id: Id7a8364b9979565aae0f9d995b1f66406438357c

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 145f06b..1092f55 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "3dbcd76602dd93fddb9deae4cacd1699164a19e9",
+    commit = "11ce7521051ca73598d099aa8a396c9ffe932a74",
     # local_path = "/home/<user>/projects/bazlets",
 )