Buildfix after Iacc6cff82c0f071d1c8901977748d6164fb0a87d.

We only do have the scoped_ptr m_surfaceFactory on Android.

Change-Id: Ia377afa9a8662498fca005994bd5fbec5c41bc9e
Reviewed-by: Andras Becsi <andras.becsi@digia.com>