Changes to make client and entity migration functional, needed in the event of a host quitting necessitating a host migration

Signed-off-by: kberg-amzn <karlberg@amazon.com>

Code/Framework/AzCore/AzCore/Math/Aabb.h

@@ -1,3 +1,4 @@
+
 /*
  * Copyright (c) Contributors to the Open 3D Engine Project.
  * For complete copyright and license terms please see the LICENSE at the root of this distribution.

Code/Framework/AzCore/AzCore/Utils/Utils.h

@@ -24,7 +24,7 @@ namespace AZ
     {
         //! Protects from allocating too much memory. The choice of a 1MB threshold is arbitrary.
         //! If you need to work with larger files, please use AZ::IO directly instead of these utility functions.
-        inline constexpr size_t DefaultMaxFileSize = 1024 * 1024;
+        inline constexpr size_t DefaultMaxFileSize = 5 * 1024 * 1024;
 
         //! Terminates the application without going through the shutdown procedure.
         //! This is used when due to abnormal circumstances the application can no