[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/KeyboardManagerTest.vcxproj

@@ -99,6 +99,8 @@
     <ClCompile>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+      <AdditionalOptions Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">/MP %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions Condition="'$(Configuration)|$(Platform)'=='Release|x64'">/MP %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>

src/modules/keyboardmanager/test/OSLevelShortcutRemappingTests.cpp

@@ -4,6 +4,7 @@
 #include <keyboardmanager/common/KeyboardManagerState.h>
 #include <keyboardmanager/dll/KeyboardEventHandlers.h>
 #include "TestHelpers.h"
+#include "../common/shared_constants.h"
 
 using namespace Microsoft::VisualStudio::CppUnitTestFramework;
 

src/modules/keyboardmanager/test/SingleKeyRemappingTests.cpp

@@ -4,6 +4,7 @@
 #include <keyboardmanager/common/KeyboardManagerState.h>
 #include <keyboardmanager/dll/KeyboardEventHandlers.h>
 #include "TestHelpers.h"
+#include "../common/shared_constants.h"
 
 using namespace Microsoft::VisualStudio::CppUnitTestFramework;
 

src/modules/keyboardmanager/test/TestHelpers.cpp

@@ -1,5 +1,7 @@
 #include "pch.h"
 #include "TestHelpers.h"
+#include "MockedInput.h"
+#include "keyboardmanager/common/KeyboardManagerState.h"
 
 namespace TestHelpers
 {

src/modules/keyboardmanager/test/TestHelpers.h

@@ -1,6 +1,6 @@
 #pragma once
-#include "MockedInput.h"
-#include <keyboardmanager/common/KeyboardManagerState.h>
+class MockedInput;
+class KeyboardManagerState;
 
 namespace TestHelpers
 {

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>