Android: fix calling start() and stop() on the video surface.

We restart the surface when the frame size changes, though we were
not using the correct function to get the surface's current frame size.
This was causing start() and stop() to be called for every frame.

Change-Id: I8ff4b4852cb7fcc92ac3b1b3ad7bf991d7bddc6b
Reviewed-by: Christian Stromme <christian.stromme@digia.com>

src/plugins/android/src/common/qandroidvideorendercontrol.cpp

@@ -267,7 +267,7 @@ void QAndroidVideoRendererControl::onFrameAvailable()
     QVideoFrame frame(buffer, m_nativeSize, QVideoFrame::Format_BGR32);
 
     if (m_surface->isActive() && (m_surface->surfaceFormat().pixelFormat() != frame.pixelFormat()
-                                  || m_surface->nativeResolution() != frame.size())) {
+                                  || m_surface->surfaceFormat().frameSize() != frame.size())) {
         m_surface->stop();
     }