Switch standalone bazel build to 3.3.0-SNAPSHOT api

Change-Id: Ifa280486126915f1180031f969f639addbe970be

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 439f0e4..960cb2e 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -12,7 +12,7 @@
     "gerrit_api",
 )
 
-gerrit_api()
+gerrit_api(version = "3.3.0-SNAPSHOT")
 
 load("//:external_plugin_deps.bzl", "external_plugin_deps")