Expose an event from `GameHost` before update thread changes native threads
Expose an event from `GameHost` before update thread changes native threads

peppy/osu-framework,ppy/osu-framework,smoogipooo/osu-framework,ppy/osu-framework,smoogipooo/osu-framework,ZLima12/osu-framework,peppy/osu-framework,ppy/osu-framework,ZLima12/osu-framework,peppy/osu-framework