Update am service (#98)

* am services implementations

Implement:
- IAllSystemAppletProxiesService
- IApplicationCreator
- IGlobalStateController
- IHomeMenuFunctions
  * RequestToGetForeground stub.
  * GetPopFromGeneralChannelEvent stub event.
- ISystemAppletProxy
  * GetCommonStateGetter
  * GetSelfController
  * GetWindowController
  * GetAudioController
  * GetDisplayController
  * GetLibraryAppletCreator
  * GetHomeMenuFunctions
  * GetGlobalStateController
  * GetApplicationCreator
  * GetDebugFunctions

* Update ServiceFactory.cs

* Update IHomeMenuFunctions.cs

* Update IHomeMenuFunctions.cs

* Update ServiceFactory.cs

Ryujinx.Core/OsHle/Services/ServiceFactory.cs

@@ -38,6 +38,9 @@ namespace Ryujinx.Core.OsHle.Services
                 case "apm:p":
                     return new IManager();
 
+                case "appletAE":
+                    return new IAllSystemAppletProxiesService();
+                    
                 case "appletOE":
                     return new IApplicationProxyService();
 
@@ -114,4 +117,4 @@ namespace Ryujinx.Core.OsHle.Services
             throw new NotImplementedException(Name);
         }
     }
-}
+}