Merge pull request #339 from o3de/daimini/fixUnityBuilds

Fix unity builds of MPS

Gem/Code/Source/Components/AttachPlayerWeaponComponent.cpp

@@ -5,6 +5,7 @@
  *
  */
 
+#include <AzCore/Asset/AssetSerializer.h>
 #include <AzCore/Math/Transform.h>
 #include <AzCore/Serialization/EditContext.h>
 #include <AzCore/std/smart_ptr/make_shared.h>

Gem/Code/Source/Components/UI/UiMatchPlayerCoinCountsComponent.h

@@ -9,7 +9,9 @@
 #pragma once
 
 #include <AzCore/Component/Component.h>
+#include <AzCore/EBus/ScheduledEvent.h>
 #include <AzCore/std/containers/vector.h>
+#include <Components/NetworkMatchComponent.h>
 #include <StartingPointInput/InputEventNotificationBus.h>
 
 namespace MultiplayerSample