Switch standalone bazel build to 3.3.0-SNAPSHOT api

Change-Id: Ib5f875e43cc2f4620cc7ac42df32399d36e12ffc

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 8b3dad9..17b8135 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -12,4 +12,4 @@
     "gerrit_api",
 )
 
-gerrit_api()
+gerrit_api(version = "3.3.0-SNAPSHOT")