[ONOS-4520] Separate model messages from service messages in ProtoBuf IDL.

- move ProtoBuf generated code in a package similar to ONOS models.

Change-Id: I5deb591094c2b8af2b22041da935567fc8dacd87
diff --git a/incubator/rpc-grpc/src/main/proto/Device.proto b/incubator/rpc-grpc/src/main/proto/Device.proto
index aae46d9..ec138e0 100644
--- a/incubator/rpc-grpc/src/main/proto/Device.proto
+++ b/incubator/rpc-grpc/src/main/proto/Device.proto
@@ -1,7 +1,6 @@
 syntax = "proto3";
-option java_package = "org.onosproject.grpc";
+option java_package = "org.onosproject.grpc.net";
 
-import "Port.proto";
 package Device;
 
 enum DeviceType {
@@ -37,95 +36,3 @@
   MASTER = 1;
   STANDBY = 2;
 }
-
-message DeviceConnected {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-  DeviceDescription device_description = 2;
-}
-
-message DeviceDisconnected {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-}
-
-message UpdatePorts {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-  repeated Port.PortDescription port_descriptions= 2;
-}
-
-message PortStatusChanged {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-  Port.PortDescription port_description= 2;
-}
-
-message ReceivedRoleReply {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-  MastershipRole requested = 2;
-  MastershipRole response = 3;
-}
-
-message UpdatePortStatistics {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-  repeated Port.PortStatistics port_statistics = 2;
-}
-
-message RegisterProvider {
-  // DeviceProvider's ProviderId scheme
-  string provider_scheme = 1;
-}
-
-message DeviceProviderServiceMsg {
-  oneof method {
-    DeviceConnected device_connected= 1;
-    DeviceDisconnected device_disconnected = 2;
-    UpdatePorts update_ports= 3;
-    PortStatusChanged port_status_changed = 4;
-    ReceivedRoleReply received_role_reply = 5;
-    UpdatePortStatistics update_port_statistics = 6;
-
-    // This message is for return value of DeviceProvider#isReachable
-    IsReachableResponse is_reachable_response = 7;
-
-    // This MUST be the 1st message over the stream
-    RegisterProvider register_provider = 8;
-  }
-}
-
-message TriggerProbe {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-}
-
-message RoleChanged {
-  // DeviceID as String DeviceId#toString
-  string device_id = 1;
-  MastershipRole new_role = 2;
-}
-
-message IsReachableRequest {
-  int32 xid = 1;
-  // DeviceID as String DeviceId#toString
-  string device_id = 2;
-}
-
-message IsReachableResponse {
-  int32 xid = 1;
-  bool is_reachable = 2;
-}
-
-message DeviceProviderMsg {
-  oneof method {
-    TriggerProbe trigger_probe = 1;
-    RoleChanged role_changed = 2;
-    IsReachableRequest is_reachable_request= 3;
-  }
-}
-
-service DeviceProviderRegistryRpc {
-  rpc Register(stream DeviceProviderServiceMsg) returns (stream DeviceProviderMsg);
-}