Set Gerrit API snapshot version to 2.15.2-SNAPSHOT

Change-Id: Id39d88d840f07ba2e79c8864eeaf6ec07190f7c9
diff --git a/gerrit_api_maven_local.bzl b/gerrit_api_maven_local.bzl
index b1fe421..32f0db7 100644
--- a/gerrit_api_maven_local.bzl
+++ b/gerrit_api_maven_local.bzl
@@ -5,7 +5,7 @@
 gerrit_api is rule for fetching Gerrit plugin API using Bazel.
 """
 
-VER = "2.15-SNAPSHOT"
+VER = "2.15.2-SNAPSHOT"
 
 def gerrit_api_maven_local():
   bouncycastle_repos()