#54 AndroidLauncher.java에 goImmersive함수 추가. 실행
Revert "#54 AndroidLauncher.java에 goImmersive함수 추가. 실행"

This reverts commit 75fd9e7d6d0ac492d6c92c1b4c89a95fab0b4b74.
Revert "Revert "#54 AndroidLauncher.java에 goImmersive함수 추가. 실행""

This reverts commit 237b06e3f74ee0734b1e4d0e452f0fc0f524323b.
Merge remote-tracking branch 'origin/#54_Immersive_Mode' into Developer