Replace deprecated string resources.

alert_yes/no were deprecated in 4.4, and discontinued in 4.4.3.
Replace them with the system's "yes/no"

Change-Id: Ia0b2a68ffb7098c3c4ba70856e831a61161e2886
InCallUI: Improve latest CAF strings

Change-Id: If40628775393ab6e6fed6f92f8dbc2797c2b9f9f

Conflicts:
	res/values/strings.xml