[VFS] Change file attributes or timestamps.

Changing these options is only viable for r/w mounted host devices (Cache)
Changing attributes works only on windows
Changing timestamps is mocked and logged to see if there is any title that uses it

src/xenia/base/filesystem.h

@@ -128,6 +128,8 @@ std::vector<FileInfo> ListDirectories(const std::filesystem::path& path);
 std::vector<FileInfo> FilterByName(const std::vector<FileInfo>& files,
                                    const std::regex pattern);
 
+bool SetAttributes(const std::filesystem::path& path, uint64_t attributes);
+
 #if XE_PLATFORM_ANDROID
 void AndroidInitialize();
 void AndroidShutdown();