[Launcher] Use a keyboard hook in the runner to invoke the Launcher (#6660)

* Added a keyboard hook to the runner

* Update RootKeyboardHook

* Enable reading the whole JsonObject property

* Renamed RootKeyboardHook to CentralizedKeyboardHook

* Fixed build break, changed callback return type to bool

* Added Hotkey struct which somehow went missing

+ Cherry-pick fixes

* Reorganized the kb hook

* Basic version works

* Various fixes

* Finishing touches

* Fix potential threading issue

* int -> size_t

* Add default initializers to the Hotkey struct

* Added a suggested comment

* Unified a constant

* Use C# classes instead of native calls for sync

* Added a claryfing comment

* Use std::move

* Renamed a method

* Possible fix for compilation errors

* Fix a regression

* Show a message on failure

* Added DISABLE_LOWLEVEL_HOOK support

* Allow running Launcher as standalone

* Rename string constants

src/common/interop/interop.h

@@ -127,5 +127,10 @@ public
     {
     public:
         literal int VK_WIN_BOTH = CommonSharedConstants::VK_WIN_BOTH;
+        
+        static String^ PowerLauncherSharedEvent()
+        {
+            return gcnew String(CommonSharedConstants::POWER_LAUNCHER_SHARED_EVENT);
+        }
     };
 }