Dolphin: Add disable copy filter to graphics options

Source/Android/app/src/main/res/values/strings.xml

@@ -149,6 +149,8 @@
     <string name="force_texture_filtering_descrip">Force texture filtering even if the emulated game explicitly disabled it. Improves texture quality slightly but causes glitches in some games.</string>
     <string name="disable_fog">Disable Fog</string>
     <string name="disable_fog_descrip">Makes distant objects more visible by removing fog, thus increasing the overall detail. Disabling fog will break some games which rely on proper fog emulation.</string>
+    <string name="disable_copy_filter">Disable Copy Filter</string>
+    <string name="disable_copy_filter_descrip">Disables the blending of adjacent rows when copying the EFB. This is known in some games as \"deflickering\" or \"smoothing\". Disabling the filter is usually safe, and may result in a sharper image.</string>
     <string name="stereoscopy">Stereoscopy</string>
     <string name="stereoscopy_descrip">Stereoscopy allows you to get a better feeling of depth if you have the necessary hardware.\nHeavily decreases emulation speed and sometimes causes issues</string>
     <string name="stereoscopy_mode">Stereoscopy Mode</string>