Not implemented asserts to prevent silent fails

src/api/android/mod.rs

@@ -120,6 +120,10 @@ impl Window {
     {
         use std::{mem, ptr};
 
+        // not implemented
+        assert!(win_attribs.min_dimensions.is_none());
+        assert!(win_attribs.max_dimensions.is_none());
+
         let opengl = opengl.clone().map_sharing(|w| &w.context);
 
         let native_window = unsafe { android_glue::get_native_window() };