Unreal Engine 4.19 Preview

@RapidBlaze Please see the message below.
Maybe sdkmanager may not be accepting licenses.

ExceptionUtils.PrintExceptionInfo: (see C:\Users\WorkPC-6\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Epic+Games+UE_4.19\UAT_Log.txt for full exception trace)