Switch standalone bazel build to 3.3.0-SNAPSHOT api

Change-Id: Icd22b740f4dc0a30ebd1bf908d585bd23592ad29
diff --git a/WORKSPACE b/WORKSPACE
index 16483fd..0489739 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -12,4 +12,4 @@
     "gerrit_api",
 )
 
-gerrit_api()
+gerrit_api(version = "3.3.0-SNAPSHOT")