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/BUILD b/protocols/p4runtime/api/BUILD
index 531d734..2fb15ba 100644
--- a/protocols/p4runtime/api/BUILD
+++ b/protocols/p4runtime/api/BUILD
@@ -1,4 +1,5 @@
 COMPILE_DEPS = CORE_DEPS + [
+    "//protocols/grpc/api:onos-protocols-grpc-api",
     "@io_grpc_grpc_java//core",
 ]