[GLES2] Added a workaround for enabled VA attached to buffer 0 with NULL pointer to disabled that VA
[GLES2] Added a workaround for enabled VA attached to buffer 0 with NULL pointer to disabled that VA

ptitSeb/gl4es,ptitSeb/glshim,ptitSeb/gl4es,ptitSeb/glshim,ptitSeb/gl4es,ptitSeb/glshim,ptitSeb/glshim,ptitSeb/gl4es