Android: Make WFS directory configurable

The Android version of 5ecd5f0. No scoped storage support, though...

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/model/StringSetting.java

@@ -22,6 +22,7 @@ public enum StringSetting implements AbstractStringSetting
           ""),
   MAIN_FS_PATH(Settings.FILE_DOLPHIN, Settings.SECTION_INI_GENERAL, "NANDRootPath", ""),
   MAIN_SD_PATH(Settings.FILE_DOLPHIN, Settings.SECTION_INI_GENERAL, "WiiSDCardPath", ""),
+  MAIN_WFS_PATH(Settings.FILE_DOLPHIN, Settings.SECTION_INI_GENERAL, "WFSPath", ""),
 
   GFX_ENHANCE_POST_SHADER(Settings.FILE_GFX, Settings.SECTION_GFX_ENHANCEMENTS,
           "PostProcessingShader", "");

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java

@@ -411,6 +411,8 @@ public final class SettingsFragmentPresenter
             R.string.resource_pack_path, 0, MainPresenter.REQUEST_DIRECTORY, "/ResourcePacks"));
     sl.add(new FilePicker(mContext, StringSetting.MAIN_SD_PATH, R.string.SD_card_path, 0,
             MainPresenter.REQUEST_SD_FILE, "/Wii/sd.raw"));
+    sl.add(new FilePicker(mContext, StringSetting.MAIN_WFS_PATH, R.string.wfs_path, 0,
+            MainPresenter.REQUEST_DIRECTORY, "/WFS"));
   }
 
   private void addGameCubeSettings(ArrayList<SettingsItem> sl)

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

@@ -198,6 +198,7 @@
     <string name="load_path">Load Path</string>
     <string name="resource_pack_path">Resource Pack Path</string>
     <string name="SD_card_path">SD Card Path</string>
+    <string name="wfs_path">WFS Path</string>
 
     <!-- Graphics Settings -->
     <string name="graphics_general">General</string>