Add workaround for Hani not matching anything.

src/fontique/backend/android.rs

@@ -123,6 +123,15 @@ impl SystemFonts {
                                                     if let Some(scr) = locale.script {
                                                         script_fallback
                                                             .push((scr.as_str().into(), *family));
+                                                        if "Hant" == scr.as_str() {
+                                                            // This works around ambiguous han char­
+                                                            // acters going unmapped with current
+                                                            // fallback code. This should be done in
+                                                            // a locale-dependent manner, since that
+                                                            // is the norm.
+                                                            script_fallback
+                                                                .push(("Hani".into(), *family));
+                                                        }
                                                     }
                                                     locale_fallback.push((locale, *family));
                                                 }