vout/android: display: reset window layout to 0 on close
vout/android: display: reset window layout to 0 on close

This fixes a wrong video layout when switching from android-display to gles2
using the same window.

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc