[ONOS-7137] Interfaces Discovery through gNMI

Also, bumped version of gNMI proto as supported by PI

Change-Id: If2903b2dc483f545893daae77f993cc7dadee468
diff --git a/modules.defs b/modules.defs
index 2ae8cfd..b090666 100644
--- a/modules.defs
+++ b/modules.defs
@@ -108,6 +108,7 @@
     '//drivers/barefoot:onos-drivers-barefoot-oar',
     '//drivers/hp:onos-drivers-hp-oar',
     '//drivers/p4runtime:onos-drivers-p4runtime-oar',
+    '//drivers/gnmi:onos-drivers-gnmi-oar',
     '//drivers/polatis/netconf:onos-drivers-polatis-netconf-oar',
 ]