Refactoring commands handling (#728)

* Refactoring commands handling

- Use Reflection to handle commands ID.
- Add all symbols (from SwIPC so not all time accurate).
- Re-sort some services commands methods.
- Some cleanup.
- Keep some empty constructor for consistency.

* Fix order in IProfile

Ryujinx.HLE/HOS/Services/Ns/IApplicationManagerInterface.cs

@@ -1,7 +1,5 @@
 using LibHac;
-using Ryujinx.HLE.HOS.Ipc;
 using System;
-using System.Collections.Generic;
 using System.Text;
 
 namespace Ryujinx.HLE.HOS.Services.Ns
@@ -9,18 +7,10 @@ namespace Ryujinx.HLE.HOS.Services.Ns
     [Service("ns:am")]
     class IApplicationManagerInterface : IpcService
     {
-        private Dictionary<int, ServiceProcessRequest> _commands;
-
-        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
-
-        public IApplicationManagerInterface(ServiceCtx context)
-        {
-            _commands = new Dictionary<int, ServiceProcessRequest>
-            {
-                { 400, GetApplicationControlData }
-            };
-        }
+        public IApplicationManagerInterface(ServiceCtx context) { }
 
+        [Command(400)]
+        // GetApplicationControlData(unknown<0x10>) -> (unknown<4>, buffer<unknown, 6>)
         public long GetApplicationControlData(ServiceCtx context)
         {
             long position = context.Request.ReceiveBuff[0].Position;
@@ -220,4 +210,4 @@ namespace Ryujinx.HLE.HOS.Services.Ns
             return 0;
         }
     }
-}
+}