base: cleanup even more duplicate alarm sounds

Argon=Fermium
Hassium=Helium
Carbon=Neptunium
Neon=Nobellium
Oxygen=Cesium
Krypton=Plutonium
Platinum=Promethium

Change-Id: Ibba7bb265568cc3aa3a9468b2da87cdac0463726
(cherry picked from commit 1d5e0f8ed2248abcfe8b9de0273879953f6dfe9c)
Merge "base: cleanup even more duplicate alarm sounds" into android-5.0