Provide fixes to tungten/patrole plugins

This is needed to run contrail tests
Tungsten part of fixes:
1. Added get_auth_providers method to use in tests
2. Modified resource_setup method to do not fail
if project already exists. In our case it has created
by tempest plugin
3. Remove check for CONF.patrole.enable_rbac due to deprecation of 
this parameter in next version of patrole plugin.

Added .gitreview

Change-Id: I4d60fb5c285a0a6dfa9897c74876ac513da15033
Related-PROD: PROD-23985
diff --git a/requirements.txt b/requirements.txt
index 84d7047..1803e54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-Patrole>=0.2.0
+https://gerrit.mcp.mirantis.net/packaging/sources/patrole@0.4.x
 pylint