Switch standalone bazel build to 3.3.0-SNAPSHOT api

Change-Id: I894fac023b076dc51094596d7f1fe97cc0acba08
diff --git a/WORKSPACE b/WORKSPACE
index c78f78c..97ee711 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -12,4 +12,4 @@
     "gerrit_api",
 )
 
-gerrit_api()
+gerrit_api(version = "3.3.0-SNAPSHOT")