android: Use ellipsis character

src/android/app/src/main/res/values/strings.xml

@@ -88,7 +88,7 @@
     <string name="emulation_control_scale">Adjust Scale</string>
     <string name="emulation_touch_overlay_reset">Reset Overlay</string>
 
-    <string name="load_settings">Loading Settings...</string>
+    <string name="load_settings">Loading Settings…</string>
 
     <string name="external_storage_not_mounted">The external storage needs to be available in order to use yuzu</string>