[Keyboard Manager] Cleanup header file references to improve incremental build time (#4880)

* Remove WinUI include in KeyboardManagerState.h

* Changed include steps

* Clean up headers in KeyboardManagerUI except XamlBridge.h

* Cleaned up headers in KeyboardManager common and test

* Cleaned up headers in KeyboardManager project

* Removed headers from XamlBridge

* Removed some headers from kbm common pch

* Added MP flag to reduce build time

* Added missing include

src/modules/keyboardmanager/common/InputInterface.h

@@ -1,6 +1,4 @@
 #pragma once
-#include "windows.h"
-#include <string>
 
 // Interface used to wrap keyboard input library methods
 class InputInterface