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/Am/IWindowController.cs

@@ -1,24 +1,13 @@
 using Ryujinx.Common.Logging;
-using Ryujinx.HLE.HOS.Ipc;
-using System.Collections.Generic;
 
 namespace Ryujinx.HLE.HOS.Services.Am
 {
     class IWindowController : IpcService
     {
-        private Dictionary<int, ServiceProcessRequest> _commands;
-
-        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
-
-        public IWindowController()
-        {
-            _commands = new Dictionary<int, ServiceProcessRequest>
-            {
-                { 1,  GetAppletResourceUserId },
-                { 10, AcquireForegroundRights }
-            };
-        }
+        public IWindowController() { }
 
+        [Command(1)]
+        // GetAppletResourceUserId() -> nn::applet::AppletResourceUserId
         public long GetAppletResourceUserId(ServiceCtx context)
         {
             Logger.PrintStub(LogClass.ServiceAm);
@@ -28,6 +17,8 @@ namespace Ryujinx.HLE.HOS.Services.Am
             return 0;
         }
 
+        [Command(10)]
+        // AcquireForegroundRights()
         public long AcquireForegroundRights(ServiceCtx context)
         {
             Logger.PrintStub(LogClass.ServiceAm);