WIP [2/2] base: overflow menu tweaks

https://gerrit.omnirom.org/#/c/5049/

Change-Id: I723adf721851037ff3643777b8027fb5027fced5
Completely integrate HFM into Settings [4/4]
* Checks if hosts file is correct after completing boot (useful after updating ROM)
* One less package

Change-Id: I103ed99a911cbeb503bb090087a3fee274784b6e
Add Reverse lookup [1/4]

Change-Id: I109a99ccaedb5bee11778e8da5b37f8a1f916dde
Blacklist support [1/6]

Change-Id: Id6c85c9a537713ec77d00deb7f7fe5a9150be2cd
Merge "Add Reverse lookup [1/4]" into du44
Merge "Blacklist support [1/6]" into du44
Merge "Completely integrate HFM into Settings [4/4] * Checks if hosts file is correct after completing boot (useful after updating ROM) * One less package" into du44
Merge branch 'du44' of https://github.com/DirtyUnicorns-KitKat/frameworks_base into HEAD