Simplify implementation
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/com/apple/iad/ingtestion/IAdIngestionContext.java
	src/main/java/com/apple/iad/ingtestion/RetrieveAccountInfoStrategy.java
	src/main/java/com/apple/iad/ingtestion/RetrieveCookieSecurityToken.java
	src/main/java/com/apple/iad/ingtestion/RetrieveStrategy.java