Android: Add patch code (cheat) import

android/app/src/cpp/android_host_interface.h

@@ -54,6 +54,8 @@ public:
   void RefreshGameList(bool invalidate_cache, bool invalidate_database, ProgressCallback* progress_callback);
   void ApplySettings(bool display_osd_messages);
 
+  bool ImportPatchCodesFromString(const std::string& str);
+
 protected:
   void SetUserDirectory() override;
   void LoadSettings() override;