-e: When you save a PlayerPrefs key with an ampersand in it in Linux, it cannot be loaded on the next session.

-repro
--Build appatched PPKeyTest scene
--Once in the player, Press S to save the keys.
--press L to see the keys that were loaded from PlayerPrefs.
--Notice the keys are loaded during the same session they were saved.
--quit and restart player
--press L
--NOTICE keys that contain ampersand symbols could not be found in the PlayerPrefs.
---If you check the prefs.conf file, you'll see they are saved properly. They are just not loaded properly
---User reports it workign on Windows, WSA, Webplayer, OSX, iOS, and Android