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/protocols/p4runtime/api/BUCK b/protocols/p4runtime/api/BUCK
index fd05763..c775aea 100644
--- a/protocols/p4runtime/api/BUCK
+++ b/protocols/p4runtime/api/BUCK
@@ -3,6 +3,7 @@
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
     '//incubator/grpc-dependencies:grpc-core-repkg-' + GRPC_VER,
+    '//protocols/grpc/api:onos-protocols-grpc-api',
 ]
 
 TEST_DEPS = [