libaudio: update audio formats to new api

Change-Id: I6a7e370a079da88fd464c8e33ec3c5a372d896a9
enable zRam the KitKat way

Currently set to 64MB
camera: clean-up makefile

I don't know what was I thinking - added it wrong anyway.
No need for this
audio: clean-up, change LPA patch

* Set audio variant to CAF