find5: audio: Move audio conf files to configs/, update from stock

To keep the repo better organized, let's start putting stuff in
configs/ like on other devices

Change-Id: I5d2633c6a1f92794d48aa696bbe3b0b317c21ad1
find5: configs:  Move init scripts to configs/

Also add init.recovery.find5.rc to get cpu out of performance
mode during recovery.

Change-Id: I84f70aa91107f0a44bc71930e4c42dd7772ceb7e
init: Create audio directory

Change-Id: I480905eb9518cb3b34e1b9f2fccb616fac8e0a91