Adding build tools for gRPC compilation.
ONOS-6095

Change-Id: I80687eb2a91ad60c4dbec0bb966e917555d46151
diff --git a/incubator/protobuf/src/main/proto/Device.proto b/incubator/protobuf/src/main/proto/models/Device.proto
similarity index 100%
rename from incubator/protobuf/src/main/proto/Device.proto
rename to incubator/protobuf/src/main/proto/models/Device.proto
diff --git a/incubator/protobuf/src/main/proto/DeviceEvent.proto b/incubator/protobuf/src/main/proto/models/DeviceEvent.proto
similarity index 90%
rename from incubator/protobuf/src/main/proto/DeviceEvent.proto
rename to incubator/protobuf/src/main/proto/models/DeviceEvent.proto
index 6a88768..f834aa1 100644
--- a/incubator/protobuf/src/main/proto/DeviceEvent.proto
+++ b/incubator/protobuf/src/main/proto/models/DeviceEvent.proto
@@ -2,8 +2,8 @@
 option java_package = "org.onosproject.grpc.net";
 
 
-import "Device.proto";
-import "Port.proto";
+import "models/Device.proto";
+import "models/Port.proto";
 
 package DeviceEvent;
 
diff --git a/incubator/protobuf/src/main/proto/Link.proto b/incubator/protobuf/src/main/proto/models/Link.proto
similarity index 100%
rename from incubator/protobuf/src/main/proto/Link.proto
rename to incubator/protobuf/src/main/proto/models/Link.proto
diff --git a/incubator/protobuf/src/main/proto/LinkEvent.proto b/incubator/protobuf/src/main/proto/models/LinkEvent.proto
similarity index 92%
rename from incubator/protobuf/src/main/proto/LinkEvent.proto
rename to incubator/protobuf/src/main/proto/models/LinkEvent.proto
index fdd6580..fcd13fb 100644
--- a/incubator/protobuf/src/main/proto/LinkEvent.proto
+++ b/incubator/protobuf/src/main/proto/models/LinkEvent.proto
@@ -3,7 +3,7 @@
 
 package LinkEvent;
 
-import "Link.proto";
+import "models/Link.proto";
 
 // Corresponds to org.onosproject.net.link.LinkEvent.
 message LinkNotification {
diff --git a/incubator/protobuf/src/main/proto/Port.proto b/incubator/protobuf/src/main/proto/models/Port.proto
similarity index 100%
rename from incubator/protobuf/src/main/proto/Port.proto
rename to incubator/protobuf/src/main/proto/models/Port.proto