Fix missing options for grpc

transport/internet/grpc/config.proto

@@ -1,6 +1,9 @@
 syntax = "proto3";
+
 package v2ray.core.transport.internet.grpc.encoding;
+option csharp_namespace = "V2Ray.Core.Transport.Internet.Grpc";
 option go_package = "github.com/v2fly/v2ray-core/v4/transport/internet/grpc";
+option java_package = "com.v2ray.core.transport.internet.grpc";
 
 message Config {
   string host = 1;

transport/internet/grpc/encoding/stream.proto

@@ -1,6 +1,9 @@
 syntax = "proto3";
+
 package v2ray.core.transport.internet.grpc.encoding;
+option csharp_namespace = "V2Ray.Core.Transport.Internet.Grpc.Encoding";
 option go_package = "github.com/v2fly/v2ray-core/v4/transport/internet/grpc/encoding";
+option java_package = "com.v2ray.core.transport.internet.grpc.encoding";
 
 message Hunk {
   bytes data = 1;