Cherry pick gNMI and Stratum related changes to this branch

Cherry picked commits:
20211 Update gNMI version and build script
20247 [ONOS-7829] Implement AbstractGrpcClient and AbstractGrpcClientControl
20233 [ONOS-7141][ONOS-7142] Add GnmiClient and GnmiController
20234 Refactor OpenConfig gNMI device description descovery
20260 [ONOS-7831] Implement GnmiHandshaker
20270 Add Stratum driver

Change-Id: I81ad8bce45251af5909cfcac0edbcfd11c8ebf1d
diff --git a/tools/build/bazel/modules.bzl b/tools/build/bazel/modules.bzl
index 330d9fd..12a54e9 100644
--- a/tools/build/bazel/modules.bzl
+++ b/tools/build/bazel/modules.bzl
@@ -109,6 +109,7 @@
     "//drivers/polatis/netconf:onos-drivers-polatis-netconf-oar",
     "//drivers/polatis/openflow:onos-drivers-polatis-openflow-oar",
     "//drivers/odtn-driver:onos-drivers-odtn-driver-oar",
+    "//drivers/stratum:onos-drivers-stratum-oar",
 ]
 
 ONOS_PROVIDERS = [