Android: Remove EGL_BAD_SURFACE warning on suspension

When suspending the app we would destroy the surface twice,
causing libEGL to output a warning on the second attempt.
We would also destroy the surface before all references were
released which is not 100% nice. We don't need to call the
super class implementation at all, since we are managing
the EGL surface ourselves.

Change-Id: Ie1ab2ea8561d0018b5f16ac8cdf3296313a0a92c
Reviewed-by: Christian Stromme <christian.stromme@digia.com>

src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.cpp

@@ -69,7 +69,6 @@ void QAndroidOpenGLPlatformWindow::invalidateSurface()
 {
     QWindowSystemInterface::handleExposeEvent(window(), QRegion()); // Obscure event
     QWindowSystemInterface::flushWindowSystemEvents();
-    QEglFSWindow::invalidateSurface();
 
     m_window = 0;
     m_surface = 0;