Android Flickering Bug Fix

When the new Activity is launched the screen starts flickering (Two
nearest frames are replacing each other all the time). This fix stops
flickering. More: http://www.cocos2d-x.org/forums/6/topics/34686
Merge pull request #5320 from seagullua/Android_FlickerFix

closed #3987: Screen will be flickering when switching to a new activity.