Switch standalone bazel build to 3.3.0-SNAPSHOT api

Change-Id: If88e9624d8ff0bc0f1d48fe8937d348d615a3d3d

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 289a582..cf34773 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -12,4 +12,4 @@
     "gerrit_api",
 )
 
-gerrit_api()
+gerrit_api(version = "3.3.0-SNAPSHOT")