[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/test/pch.h

@@ -1,2 +1,8 @@
 #pragma once
 #pragma comment(lib, "shlwapi.lib")
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <ProjectTelemetry.h>
+#include <shlwapi.h>
+#include <stdexcept>
+#include <unordered_set>