Start bazel support for protobuf models and p4runtime build

Change-Id: Ib3beb70c1b401854444b106b4af3723cd40635e4
diff --git a/protocols/p4runtime/proto/BUILD b/protocols/p4runtime/proto/BUILD
new file mode 100644
index 0000000..2a6d5f5
--- /dev/null
+++ b/protocols/p4runtime/proto/BUILD
@@ -0,0 +1,24 @@
+java_proto_library(
+    name = "p4_types_java_proto",
+    deps = [ "@p4lang_pi//:p4types_proto" ],
+    visibility = ["//visibility:public"],
+)
+
+java_proto_library(
+    name = "p4_config_java_proto",
+    deps = [ "@p4lang_pi//:p4config_proto" ],
+    visibility = ["//visibility:public"],
+)
+
+java_proto_library(
+    name = "p4_tmp_config_java_proto",
+    deps = [ "@p4lang_pi//:p4_tmp_config_proto" ],
+    visibility = ["//visibility:public"],
+)
+
+java_proto_library(
+    name = "p4_runtime_java_proto",
+    deps = [ "@p4lang_pi//:p4_runtime_proto" ],
+    visibility = ["//visibility:public"],
+)
+